-83.55% is the change from 456 to 75
Calculation steps:
[( 75 - 456 ) ÷ 456] x 100 = -83.55%
Formula
Percentage change = [(75 - 456) / 456] x 100
Subtract the new number by the original number
75 - 456 = -381
-381 ÷ 456 = -0.8355263157894737
-0.8355263157894737 x 100 = -83.55%