-93.88% is the change from 866 to 53
Calculation steps:
[( 53 - 866 ) ÷ 866] x 100 = -93.88%
Formula
Percentage change = [(53 - 866) / 866] x 100
Subtract the new number by the original number
53 - 866 = -813
-813 ÷ 866 = -0.9387990762124712
-0.9387990762124712 x 100 = -93.88%