31.66% is the change from 616 to 811
Calculation steps:
[( 811 - 616 ) ÷ 616] x 100 = 31.66%
Formula
Percentage change = [(811 - 616) / 616] x 100
Subtract the new number by the original number
811 - 616 = 195
195 ÷ 616 = 0.31655844155844154
0.31655844155844154 x 100 = 31.66%