-85.92% is the change from 142 to 20
Calculation steps:
[( 20 - 142 ) ÷ 142] x 100 = -85.92%
Formula
Percentage change = [(20 - 142) / 142] x 100
Subtract the new number by the original number
20 - 142 = -122
-122 ÷ 142 = -0.8591549295774648
-0.8591549295774648 x 100 = -85.92%