-49.56% is the change from 452 to 228
Calculation steps:
[( 228 - 452 ) ÷ 452] x 100 = -49.56%
Formula
Percentage change = [(228 - 452) / 452] x 100
Subtract the new number by the original number
228 - 452 = -224
-224 ÷ 452 = -0.49557522123893805
-0.49557522123893805 x 100 = -49.56%