-30.31% is the change from 452 to 315
Calculation steps:
[( 315 - 452 ) ÷ 452] x 100 = -30.31%
Formula
Percentage change = [(315 - 452) / 452] x 100
Subtract the new number by the original number
315 - 452 = -137
-137 ÷ 452 = -0.3030973451327434
-0.3030973451327434 x 100 = -30.31%