34.86% is the change from 502 to 677
Calculation steps:
[( 677 - 502 ) ÷ 502] x 100 = 34.86%
Formula
Percentage change = [(677 - 502) / 502] x 100
Subtract the new number by the original number
677 - 502 = 175
175 ÷ 502 = 0.34860557768924305
0.34860557768924305 x 100 = 34.86%