-43.5% is the change from 800 to 452
Calculation steps:
[( 452 - 800 ) ÷ 800] x 100 = -43.5%
Formula
Percentage change = [(452 - 800) / 800] x 100
Subtract the new number by the original number
452 - 800 = -348
-348 ÷ 800 = -0.435
-0.435 x 100 = -43.5%