Your % is worked out based on the winning score being 100%. Had you shot 55 and the comp was won with 56 you would score 98.21% or if you won with 55 it would be 100%. Your % was lower in this round as it was won with 59.
The best 4 is at the end of the series only your best 4 results count to your final position.
If you can't fix it with a big hammer, your hammer aint big enough....
Air Arms S200 Tench Reg, Tilly's Custom Stock, MTC 3-12x24