85.46% is the change from 502 to 931
Calculation steps:
[( 931 - 502 ) ÷ 502] x 100 = 85.46%
Formula
Percentage change = [(931 - 502) / 502] x 100
Subtract the new number by the original number
931 - 502 = 429
429 ÷ 502 = 0.8545816733067729
0.8545816733067729 x 100 = 85.46%