-85.33% is the change from 866 to 127
Calculation steps:
[( 127 - 866 ) ÷ 866] x 100 = -85.33%
Formula
Percentage change = [(127 - 866) / 866] x 100
Subtract the new number by the original number
127 - 866 = -739
-739 ÷ 866 = -0.8533487297921478
-0.8533487297921478 x 100 = -85.33%