33.17% is the change from 624 to 831
Calculation steps:
[( 831 - 624 ) ÷ 624] x 100 = 33.17%
Formula
Percentage change = [(831 - 624) / 624] x 100
Subtract the new number by the original number
831 - 624 = 207
207 ÷ 624 = 0.3317307692307692
0.3317307692307692 x 100 = 33.17%