-77.53% is the change from 859 to 193
Calculation steps:
[( 193 - 859 ) ÷ 859] x 100 = -77.53%
Formula
Percentage change = [(193 - 859) / 859] x 100
Subtract the new number by the original number
193 - 859 = -666
-666 ÷ 859 = -0.7753201396973225
-0.7753201396973225 x 100 = -77.53%