31.16% is the change from 613 to 804
Calculation steps:
[( 804 - 613 ) ÷ 613] x 100 = 31.16%
Formula
Percentage change = [(804 - 613) / 613] x 100
Subtract the new number by the original number
804 - 613 = 191
191 ÷ 613 = 0.31158238172920066
0.31158238172920066 x 100 = 31.16%