-99.56% is the change from 457 to 2
Calculation steps:
[( 2 - 457 ) ÷ 457] x 100 = -99.56%
Formula
Percentage change = [(2 - 457) / 457] x 100
Subtract the new number by the original number
2 - 457 = -455
-455 ÷ 457 = -0.9956236323851203
-0.9956236323851203 x 100 = -99.56%