38.84% is the change from 502 to 697
Calculation steps:
[( 697 - 502 ) ÷ 502] x 100 = 38.84%
Formula
Percentage change = [(697 - 502) / 502] x 100
Subtract the new number by the original number
697 - 502 = 195
195 ÷ 502 = 0.3884462151394422
0.3884462151394422 x 100 = 38.84%