-6.84% is the change from 936 to 872
Calculation steps:
[( 872 - 936 ) ÷ 936] x 100 = -6.84%
Formula
Percentage change = [(872 - 936) / 936] x 100
Subtract the new number by the original number
872 - 936 = -64
-64 ÷ 936 = -0.06837606837606838
-0.06837606837606838 x 100 = -6.84%