-85.17% is the change from 971 to 144
Calculation steps:
[( 144 - 971 ) ÷ 971] x 100 = -85.17%
Formula
Percentage change = [(144 - 971) / 971] x 100
Subtract the new number by the original number
144 - 971 = -827
-827 ÷ 971 = -0.8516992790937178
-0.8516992790937178 x 100 = -85.17%