56.49% is the change from 524 to 820
Calculation steps:
[( 820 - 524 ) ÷ 524] x 100 = 56.49%
Formula
Percentage change = [(820 - 524) / 524] x 100
Subtract the new number by the original number
820 - 524 = 296
296 ÷ 524 = 0.5648854961832062
0.5648854961832062 x 100 = 56.49%