36.7% is the change from 613 to 838
Calculation steps:
[( 838 - 613 ) ÷ 613] x 100 = 36.7%
Formula
Percentage change = [(838 - 613) / 613] x 100
Subtract the new number by the original number
838 - 613 = 225
225 ÷ 613 = 0.367047308319739
0.367047308319739 x 100 = 36.7%