41.25% is the change from 400 to 565
Calculation steps:
[( 565 - 400 ) ÷ 400] x 100 = 41.25%
Formula
Percentage change = [(565 - 400) / 400] x 100
Subtract the new number by the original number
565 - 400 = 165
165 ÷ 400 = 0.4125
0.4125 x 100 = 41.25%