-31.57% is the change from 453 to 310
Calculation steps:
[( 310 - 453 ) ÷ 453] x 100 = -31.57%
Formula
Percentage change = [(310 - 453) / 453] x 100
Subtract the new number by the original number
310 - 453 = -143
-143 ÷ 453 = -0.31567328918322296
-0.31567328918322296 x 100 = -31.57%