45.28% is the change from 561 to 815
Calculation steps:
[( 815 - 561 ) ÷ 561] x 100 = 45.28%
Formula
Percentage change = [(815 - 561) / 561] x 100
Subtract the new number by the original number
815 - 561 = 254
254 ÷ 561 = 0.45276292335115864
0.45276292335115864 x 100 = 45.28%