-97.54% is the change from 447 to 11
Calculation steps:
[( 11 - 447 ) ÷ 447] x 100 = -97.54%
Formula
Percentage change = [(11 - 447) / 447] x 100
Subtract the new number by the original number
11 - 447 = -436
-436 ÷ 447 = -0.9753914988814317
-0.9753914988814317 x 100 = -97.54%