-97.51% is the change from 401 to 10
Calculation steps:
[( 10 - 401 ) ÷ 401] x 100 = -97.51%
Formula
Percentage change = [(10 - 401) / 401] x 100
Subtract the new number by the original number
10 - 401 = -391
-391 ÷ 401 = -0.9750623441396509
-0.9750623441396509 x 100 = -97.51%