31.08% is the change from 502 to 658
Calculation steps:
[( 658 - 502 ) ÷ 502] x 100 = 31.08%
Formula
Percentage change = [(658 - 502) / 502] x 100
Subtract the new number by the original number
658 - 502 = 156
156 ÷ 502 = 0.3107569721115538
0.3107569721115538 x 100 = 31.08%