642.64% is the change from 129 to 958
Calculation steps:
[( 958 - 129 ) ÷ 129] x 100 = 642.64%
Formula
Percentage change = [(958 - 129) / 129] x 100
Subtract the new number by the original number
958 - 129 = 829
829 ÷ 129 = 6.426356589147287
6.426356589147287 x 100 = 642.64%