-90.81% is the change from 457 to 42
Calculation steps:
[( 42 - 457 ) ÷ 457] x 100 = -90.81%
Formula
Percentage change = [(42 - 457) / 457] x 100
Subtract the new number by the original number
42 - 457 = -415
-415 ÷ 457 = -0.9080962800875274
-0.9080962800875274 x 100 = -90.81%