31.27% is the change from 502 to 659
Calculation steps:
[( 659 - 502 ) ÷ 502] x 100 = 31.27%
Formula
Percentage change = [(659 - 502) / 502] x 100
Subtract the new number by the original number
659 - 502 = 157
157 ÷ 502 = 0.31274900398406374
0.31274900398406374 x 100 = 31.27%