646.51% is the change from 129 to 963
Calculation steps:
[( 963 - 129 ) ÷ 129] x 100 = 646.51%
Formula
Percentage change = [(963 - 129) / 129] x 100
Subtract the new number by the original number
963 - 129 = 834
834 ÷ 129 = 6.465116279069767
6.465116279069767 x 100 = 646.51%