-87.45% is the change from 972 to 122
Calculation steps:
[( 122 - 972 ) ÷ 972] x 100 = -87.45%
Formula
Percentage change = [(122 - 972) / 972] x 100
Subtract the new number by the original number
122 - 972 = -850
-850 ÷ 972 = -0.8744855967078189
-0.8744855967078189 x 100 = -87.45%