-10.85% is the change from 977 to 871
Calculation steps:
[( 871 - 977 ) ÷ 977] x 100 = -10.85%
Formula
Percentage change = [(871 - 977) / 977] x 100
Subtract the new number by the original number
871 - 977 = -106
-106 ÷ 977 = -0.10849539406345957
-0.10849539406345957 x 100 = -10.85%