-8.73% is the change from 996 to 909
Calculation steps:
[( 909 - 996 ) ÷ 996] x 100 = -8.73%
Formula
Percentage change = [(909 - 996) / 996] x 100
Subtract the new number by the original number
909 - 996 = -87
-87 ÷ 996 = -0.08734939759036145
-0.08734939759036145 x 100 = -8.73%