-89.24% is the change from 158 to 17
Calculation steps:
[( 17 - 158 ) ÷ 158] x 100 = -89.24%
Formula
Percentage change = [(17 - 158) / 158] x 100
Subtract the new number by the original number
17 - 158 = -141
-141 ÷ 158 = -0.8924050632911392
-0.8924050632911392 x 100 = -89.24%