52.48% is the change from 545 to 831
Calculation steps:
[( 831 - 545 ) ÷ 545] x 100 = 52.48%
Formula
Percentage change = [(831 - 545) / 545] x 100
Subtract the new number by the original number
831 - 545 = 286
286 ÷ 545 = 0.5247706422018349
0.5247706422018349 x 100 = 52.48%