35.66% is the change from 502 to 681
Calculation steps:
[( 681 - 502 ) ÷ 502] x 100 = 35.66%
Formula
Percentage change = [(681 - 502) / 502] x 100
Subtract the new number by the original number
681 - 502 = 179
179 ÷ 502 = 0.3565737051792829
0.3565737051792829 x 100 = 35.66%