33.25% is the change from 421 to 561
Calculation steps:
[( 561 - 421 ) ÷ 421] x 100 = 33.25%
Formula
Percentage change = [(561 - 421) / 421] x 100
Subtract the new number by the original number
561 - 421 = 140
140 ÷ 421 = 0.332541567695962
0.332541567695962 x 100 = 33.25%