-38.05% is the change from 452 to 280
Calculation steps:
[( 280 - 452 ) ÷ 452] x 100 = -38.05%
Formula
Percentage change = [(280 - 452) / 452] x 100
Subtract the new number by the original number
280 - 452 = -172
-172 ÷ 452 = -0.3805309734513274
-0.3805309734513274 x 100 = -38.05%