-29.2% is the change from 452 to 320
Calculation steps:
[( 320 - 452 ) ÷ 452] x 100 = -29.2%
Formula
Percentage change = [(320 - 452) / 452] x 100
Subtract the new number by the original number
320 - 452 = -132
-132 ÷ 452 = -0.2920353982300885
-0.2920353982300885 x 100 = -29.2%