639.26% is the change from 135 to 998
Calculation steps:
[( 998 - 135 ) ÷ 135] x 100 = 639.26%
Formula
Percentage change = [(998 - 135) / 135] x 100
Subtract the new number by the original number
998 - 135 = 863
863 ÷ 135 = 6.392592592592592
6.392592592592592 x 100 = 639.26%