-85.39% is the change from 972 to 142
Calculation steps:
[( 142 - 972 ) ÷ 972] x 100 = -85.39%
Formula
Percentage change = [(142 - 972) / 972] x 100
Subtract the new number by the original number
142 - 972 = -830
-830 ÷ 972 = -0.8539094650205762
-0.8539094650205762 x 100 = -85.39%