47.22% is the change from 557 to 820
Calculation steps:
[( 820 - 557 ) ÷ 557] x 100 = 47.22%
Formula
Percentage change = [(820 - 557) / 557] x 100
Subtract the new number by the original number
820 - 557 = 263
263 ÷ 557 = 0.47217235188509876
0.47217235188509876 x 100 = 47.22%