-83.33% is the change from 450 to 75
Calculation steps:
[( 75 - 450 ) ÷ 450] x 100 = -83.33%
Formula
Percentage change = [(75 - 450) / 450] x 100
Subtract the new number by the original number
75 - 450 = -375
-375 ÷ 450 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%