-87.56% is the change from 973 to 121
Calculation steps:
[( 121 - 973 ) ÷ 973] x 100 = -87.56%
Formula
Percentage change = [(121 - 973) / 973] x 100
Subtract the new number by the original number
121 - 973 = -852
-852 ÷ 973 = -0.8756423432682425
-0.8756423432682425 x 100 = -87.56%