-24.5% is the change from 800 to 604
Calculation steps:
[( 604 - 800 ) ÷ 800] x 100 = -24.5%
Formula
Percentage change = [(604 - 800) / 800] x 100
Subtract the new number by the original number
604 - 800 = -196
-196 ÷ 800 = -0.245
-0.245 x 100 = -24.5%