-6.75% is the change from 934 to 871
Calculation steps:
[( 871 - 934 ) ÷ 934] x 100 = -6.75%
Formula
Percentage change = [(871 - 934) / 934] x 100
Subtract the new number by the original number
871 - 934 = -63
-63 ÷ 934 = -0.06745182012847965
-0.06745182012847965 x 100 = -6.75%