-43.04% is the change from 158 to 90
Calculation steps:
[( 90 - 158 ) ÷ 158] x 100 = -43.04%
Formula
Percentage change = [(90 - 158) / 158] x 100
Subtract the new number by the original number
90 - 158 = -68
-68 ÷ 158 = -0.43037974683544306
-0.43037974683544306 x 100 = -43.04%