-31.36% is the change from 456 to 313
Calculation steps:
[( 313 - 456 ) ÷ 456] x 100 = -31.36%
Formula
Percentage change = [(313 - 456) / 456] x 100
Subtract the new number by the original number
313 - 456 = -143
-143 ÷ 456 = -0.31359649122807015
-0.31359649122807015 x 100 = -31.36%