670.54% is the change from 129 to 994
Calculation steps:
[( 994 - 129 ) ÷ 129] x 100 = 670.54%
Formula
Percentage change = [(994 - 129) / 129] x 100
Subtract the new number by the original number
994 - 129 = 865
865 ÷ 129 = 6.705426356589148
6.705426356589148 x 100 = 670.54%