51.6% is the change from 564 to 855
Calculation steps:
[( 855 - 564 ) ÷ 564] x 100 = 51.6%
Formula
Percentage change = [(855 - 564) / 564] x 100
Subtract the new number by the original number
855 - 564 = 291
291 ÷ 564 = 0.5159574468085106
0.5159574468085106 x 100 = 51.6%