-83.22% is the change from 447 to 75
Calculation steps:
[( 75 - 447 ) ÷ 447] x 100 = -83.22%
Formula
Percentage change = [(75 - 447) / 447] x 100
Subtract the new number by the original number
75 - 447 = -372
-372 ÷ 447 = -0.8322147651006712
-0.8322147651006712 x 100 = -83.22%