-86.57% is the change from 998 to 134
Calculation steps:
[( 134 - 998 ) ÷ 998] x 100 = -86.57%
Formula
Percentage change = [(134 - 998) / 998] x 100
Subtract the new number by the original number
134 - 998 = -864
-864 ÷ 998 = -0.8657314629258517
-0.8657314629258517 x 100 = -86.57%