53.36% is the change from 431 to 661
Calculation steps:
[( 661 - 431 ) ÷ 431] x 100 = 53.36%
Formula
Percentage change = [(661 - 431) / 431] x 100
Subtract the new number by the original number
661 - 431 = 230
230 ÷ 431 = 0.5336426914153132
0.5336426914153132 x 100 = 53.36%