-77.76% is the change from 859 to 191
Calculation steps:
[( 191 - 859 ) ÷ 859] x 100 = -77.76%
Formula
Percentage change = [(191 - 859) / 859] x 100
Subtract the new number by the original number
191 - 859 = -668
-668 ÷ 859 = -0.7776484284051223
-0.7776484284051223 x 100 = -77.76%