-6.94% is the change from 936 to 871
Calculation steps:
[( 871 - 936 ) ÷ 936] x 100 = -6.94%
Formula
Percentage change = [(871 - 936) / 936] x 100
Subtract the new number by the original number
871 - 936 = -65
-65 ÷ 936 = -0.06944444444444445
-0.06944444444444445 x 100 = -6.94%