-98.82% is the change from 845 to 10
Calculation steps:
[( 10 - 845 ) ÷ 845] x 100 = -98.82%
Formula
Percentage change = [(10 - 845) / 845] x 100
Subtract the new number by the original number
10 - 845 = -835
-835 ÷ 845 = -0.9881656804733728
-0.9881656804733728 x 100 = -98.82%