-9.51% is the change from 936 to 847
Calculation steps:
[( 847 - 936 ) ÷ 936] x 100 = -9.51%
Formula
Percentage change = [(847 - 936) / 936] x 100
Subtract the new number by the original number
847 - 936 = -89
-89 ÷ 936 = -0.09508547008547008
-0.09508547008547008 x 100 = -9.51%