-8.73% is the change from 962 to 878
Calculation steps:
[( 878 - 962 ) ÷ 962] x 100 = -8.73%
Formula
Percentage change = [(878 - 962) / 962] x 100
Subtract the new number by the original number
878 - 962 = -84
-84 ÷ 962 = -0.08731808731808732
-0.08731808731808732 x 100 = -8.73%