-89.06% is the change from 457 to 50
Calculation steps:
[( 50 - 457 ) ÷ 457] x 100 = -89.06%
Formula
Percentage change = [(50 - 457) / 457] x 100
Subtract the new number by the original number
50 - 457 = -407
-407 ÷ 457 = -0.8905908096280087
-0.8905908096280087 x 100 = -89.06%