32.31% is the change from 616 to 815
Calculation steps:
[( 815 - 616 ) ÷ 616] x 100 = 32.31%
Formula
Percentage change = [(815 - 616) / 616] x 100
Subtract the new number by the original number
815 - 616 = 199
199 ÷ 616 = 0.32305194805194803
0.32305194805194803 x 100 = 32.31%