50.81% is the change from 620 to 935
Calculation steps:
[( 935 - 620 ) ÷ 620] x 100 = 50.81%
Formula
Percentage change = [(935 - 620) / 620] x 100
Subtract the new number by the original number
935 - 620 = 315
315 ÷ 620 = 0.5080645161290323
0.5080645161290323 x 100 = 50.81%