-96.86% is the change from 859 to 27
Calculation steps:
[( 27 - 859 ) ÷ 859] x 100 = -96.86%
Formula
Percentage change = [(27 - 859) / 859] x 100
Subtract the new number by the original number
27 - 859 = -832
-832 ÷ 859 = -0.9685681024447031
-0.9685681024447031 x 100 = -96.86%