54.46% is the change from 538 to 831
Calculation steps:
[( 831 - 538 ) ÷ 538] x 100 = 54.46%
Formula
Percentage change = [(831 - 538) / 538] x 100
Subtract the new number by the original number
831 - 538 = 293
293 ÷ 538 = 0.5446096654275093
0.5446096654275093 x 100 = 54.46%