-97.76% is the change from 447 to 10
Calculation steps:
[( 10 - 447 ) ÷ 447] x 100 = -97.76%
Formula
Percentage change = [(10 - 447) / 447] x 100
Subtract the new number by the original number
10 - 447 = -437
-437 ÷ 447 = -0.9776286353467561
-0.9776286353467561 x 100 = -97.76%