-18.79% is the change from 447 to 363
Calculation steps:
[( 363 - 447 ) ÷ 447] x 100 = -18.79%
Formula
Percentage change = [(363 - 447) / 447] x 100
Subtract the new number by the original number
363 - 447 = -84
-84 ÷ 447 = -0.18791946308724833
-0.18791946308724833 x 100 = -18.79%