51.06% is the change from 566 to 855
Calculation steps:
[( 855 - 566 ) ÷ 566] x 100 = 51.06%
Formula
Percentage change = [(855 - 566) / 566] x 100
Subtract the new number by the original number
855 - 566 = 289
289 ÷ 566 = 0.5106007067137809
0.5106007067137809 x 100 = 51.06%