-9.87% is the change from 973 to 877
Calculation steps:
[( 877 - 973 ) ÷ 973] x 100 = -9.87%
Formula
Percentage change = [(877 - 973) / 973] x 100
Subtract the new number by the original number
877 - 973 = -96
-96 ÷ 973 = -0.0986639260020555
-0.0986639260020555 x 100 = -9.87%