130.64% is the change from 421 to 971
Calculation steps:
[( 971 - 421 ) ÷ 421] x 100 = 130.64%
Formula
Percentage change = [(971 - 421) / 421] x 100
Subtract the new number by the original number
971 - 421 = 550
550 ÷ 421 = 1.3064133016627077
1.3064133016627077 x 100 = 130.64%