-84.76% is the change from 866 to 132
Calculation steps:
[( 132 - 866 ) ÷ 866] x 100 = -84.76%
Formula
Percentage change = [(132 - 866) / 866] x 100
Subtract the new number by the original number
132 - 866 = -734
-734 ÷ 866 = -0.8475750577367206
-0.8475750577367206 x 100 = -84.76%