-42.42% is the change from 99 to 57
Calculation steps:
[( 57 - 99 ) ÷ 99] x 100 = -42.42%
Formula
Percentage change = [(57 - 99) / 99] x 100
Subtract the new number by the original number
57 - 99 = -42
-42 ÷ 99 = -0.42424242424242425
-0.42424242424242425 x 100 = -42.42%