-12.17% is the change from 986 to 866
Calculation steps:
[( 866 - 986 ) ÷ 986] x 100 = -12.17%
Formula
Percentage change = [(866 - 986) / 986] x 100
Subtract the new number by the original number
866 - 986 = -120
-120 ÷ 986 = -0.12170385395537525
-0.12170385395537525 x 100 = -12.17%