-99.41% is the change from 845 to 5
Calculation steps:
[( 5 - 845 ) ÷ 845] x 100 = -99.41%
Formula
Percentage change = [(5 - 845) / 845] x 100
Subtract the new number by the original number
5 - 845 = -840
-840 ÷ 845 = -0.9940828402366864
-0.9940828402366864 x 100 = -99.41%