51.21% is the change from 537 to 812
Calculation steps:
[( 812 - 537 ) ÷ 537] x 100 = 51.21%
Formula
Percentage change = [(812 - 537) / 537] x 100
Subtract the new number by the original number
812 - 537 = 275
275 ÷ 537 = 0.5121042830540037
0.5121042830540037 x 100 = 51.21%