40.25% is the change from 400 to 561
Calculation steps:
[( 561 - 400 ) ÷ 400] x 100 = 40.25%
Formula
Percentage change = [(561 - 400) / 400] x 100
Subtract the new number by the original number
561 - 400 = 161
161 ÷ 400 = 0.4025
0.4025 x 100 = 40.25%