-95.06% is the change from 830 to 41
Calculation steps:
[( 41 - 830 ) ÷ 830] x 100 = -95.06%
Formula
Percentage change = [(41 - 830) / 830] x 100
Subtract the new number by the original number
41 - 830 = -789
-789 ÷ 830 = -0.9506024096385542
-0.9506024096385542 x 100 = -95.06%