45.39% is the change from 564 to 820
Calculation steps:
[( 820 - 564 ) ÷ 564] x 100 = 45.39%
Formula
Percentage change = [(820 - 564) / 564] x 100
Subtract the new number by the original number
820 - 564 = 256
256 ÷ 564 = 0.45390070921985815
0.45390070921985815 x 100 = 45.39%