40.37% is the change from 597 to 838
Calculation steps:
[( 838 - 597 ) ÷ 597] x 100 = 40.37%
Formula
Percentage change = [(838 - 597) / 597] x 100
Subtract the new number by the original number
838 - 597 = 241
241 ÷ 597 = 0.4036850921273032
0.4036850921273032 x 100 = 40.37%