-34.5% is the change from 800 to 524
Calculation steps:
[( 524 - 800 ) ÷ 800] x 100 = -34.5%
Formula
Percentage change = [(524 - 800) / 800] x 100
Subtract the new number by the original number
524 - 800 = -276
-276 ÷ 800 = -0.345
-0.345 x 100 = -34.5%