52.7% is the change from 537 to 820
Calculation steps:
[( 820 - 537 ) ÷ 537] x 100 = 52.7%
Formula
Percentage change = [(820 - 537) / 537] x 100
Subtract the new number by the original number
820 - 537 = 283
283 ÷ 537 = 0.527001862197393
0.527001862197393 x 100 = 52.7%