644.78% is the change from 134 to 998
Calculation steps:
[( 998 - 134 ) ÷ 134] x 100 = 644.78%
Formula
Percentage change = [(998 - 134) / 134] x 100
Subtract the new number by the original number
998 - 134 = 864
864 ÷ 134 = 6.447761194029851
6.447761194029851 x 100 = 644.78%