39.43% is the change from 596 to 831
Calculation steps:
[( 831 - 596 ) ÷ 596] x 100 = 39.43%
Formula
Percentage change = [(831 - 596) / 596] x 100
Subtract the new number by the original number
831 - 596 = 235
235 ÷ 596 = 0.39429530201342283
0.39429530201342283 x 100 = 39.43%