-9.4% is the change from 968 to 877
Calculation steps:
[( 877 - 968 ) ÷ 968] x 100 = -9.4%
Formula
Percentage change = [(877 - 968) / 968] x 100
Subtract the new number by the original number
877 - 968 = -91
-91 ÷ 968 = -0.09400826446280992
-0.09400826446280992 x 100 = -9.4%