-12.82% is the change from 866 to 755
Calculation steps:
[( 755 - 866 ) ÷ 866] x 100 = -12.82%
Formula
Percentage change = [(755 - 866) / 866] x 100
Subtract the new number by the original number
755 - 866 = -111
-111 ÷ 866 = -0.12817551963048499
-0.12817551963048499 x 100 = -12.82%