-68.59% is the change from 866 to 272
Calculation steps:
[( 272 - 866 ) ÷ 866] x 100 = -68.59%
Formula
Percentage change = [(272 - 866) / 866] x 100
Subtract the new number by the original number
272 - 866 = -594
-594 ÷ 866 = -0.6859122401847575
-0.6859122401847575 x 100 = -68.59%