53.89% is the change from 540 to 831
Calculation steps:
[( 831 - 540 ) ÷ 540] x 100 = 53.89%
Formula
Percentage change = [(831 - 540) / 540] x 100
Subtract the new number by the original number
831 - 540 = 291
291 ÷ 540 = 0.5388888888888889
0.5388888888888889 x 100 = 53.89%