-6.84% is the change from 935 to 871
Calculation steps:
[( 871 - 935 ) ÷ 935] x 100 = -6.84%
Formula
Percentage change = [(871 - 935) / 935] x 100
Subtract the new number by the original number
871 - 935 = -64
-64 ÷ 935 = -0.06844919786096257
-0.06844919786096257 x 100 = -6.84%