673.64% is the change from 129 to 998
Calculation steps:
[( 998 - 129 ) ÷ 129] x 100 = 673.64%
Formula
Percentage change = [(998 - 129) / 129] x 100
Subtract the new number by the original number
998 - 129 = 869
869 ÷ 129 = 6.736434108527132
6.736434108527132 x 100 = 673.64%