-31.51% is the change from 457 to 313
Calculation steps:
[( 313 - 457 ) ÷ 457] x 100 = -31.51%
Formula
Percentage change = [(313 - 457) / 457] x 100
Subtract the new number by the original number
313 - 457 = -144
-144 ÷ 457 = -0.3150984682713348
-0.3150984682713348 x 100 = -31.51%