-94.97% is the change from 457 to 23
Calculation steps:
[( 23 - 457 ) ÷ 457] x 100 = -94.97%
Formula
Percentage change = [(23 - 457) / 457] x 100
Subtract the new number by the original number
23 - 457 = -434
-434 ÷ 457 = -0.949671772428884
-0.949671772428884 x 100 = -94.97%