-87.01% is the change from 154 to 20
Calculation steps:
[( 20 - 154 ) ÷ 154] x 100 = -87.01%
Formula
Percentage change = [(20 - 154) / 154] x 100
Subtract the new number by the original number
20 - 154 = -134
-134 ÷ 154 = -0.8701298701298701
-0.8701298701298701 x 100 = -87.01%