-77.32% is the change from 842 to 191
Calculation steps:
[( 191 - 842 ) ÷ 842] x 100 = -77.32%
Formula
Percentage change = [(191 - 842) / 842] x 100
Subtract the new number by the original number
191 - 842 = -651
-651 ÷ 842 = -0.7731591448931117
-0.7731591448931117 x 100 = -77.32%