-35.44% is the change from 158 to 102
Calculation steps:
[( 102 - 158 ) ÷ 158] x 100 = -35.44%
Formula
Percentage change = [(102 - 158) / 158] x 100
Subtract the new number by the original number
102 - 158 = -56
-56 ÷ 158 = -0.35443037974683544
-0.35443037974683544 x 100 = -35.44%