-88.67% is the change from 830 to 94
Calculation steps:
[( 94 - 830 ) ÷ 830] x 100 = -88.67%
Formula
Percentage change = [(94 - 830) / 830] x 100
Subtract the new number by the original number
94 - 830 = -736
-736 ÷ 830 = -0.8867469879518072
-0.8867469879518072 x 100 = -88.67%