129.72% is the change from 434 to 997
Calculation steps:
[( 997 - 434 ) ÷ 434] x 100 = 129.72%
Formula
Percentage change = [(997 - 434) / 434] x 100
Subtract the new number by the original number
997 - 434 = 563
563 ÷ 434 = 1.2972350230414746
1.2972350230414746 x 100 = 129.72%