129.41% is the change from 425 to 975
Calculation steps:
[( 975 - 425 ) ÷ 425] x 100 = 129.41%
Formula
Percentage change = [(975 - 425) / 425] x 100
Subtract the new number by the original number
975 - 425 = 550
550 ÷ 425 = 1.2941176470588236
1.2941176470588236 x 100 = 129.41%