31.82% is the change from 616 to 812
Calculation steps:
[( 812 - 616 ) ÷ 616] x 100 = 31.82%
Formula
Percentage change = [(812 - 616) / 616] x 100
Subtract the new number by the original number
812 - 616 = 196
196 ÷ 616 = 0.3181818181818182
0.3181818181818182 x 100 = 31.82%