38.04% is the change from 602 to 831
Calculation steps:
[( 831 - 602 ) ÷ 602] x 100 = 38.04%
Formula
Percentage change = [(831 - 602) / 602] x 100
Subtract the new number by the original number
831 - 602 = 229
229 ÷ 602 = 0.3803986710963455
0.3803986710963455 x 100 = 38.04%