129.55% is the change from 423 to 971
Calculation steps:
[( 971 - 423 ) ÷ 423] x 100 = 129.55%
Formula
Percentage change = [(971 - 423) / 423] x 100
Subtract the new number by the original number
971 - 423 = 548
548 ÷ 423 = 1.2955082742316786
1.2955082742316786 x 100 = 129.55%