-97.82% is the change from 412 to 9
Calculation steps:
[( 9 - 412 ) ÷ 412] x 100 = -97.82%
Formula
Percentage change = [(9 - 412) / 412] x 100
Subtract the new number by the original number
9 - 412 = -403
-403 ÷ 412 = -0.9781553398058253
-0.9781553398058253 x 100 = -97.82%