-27.14% is the change from 280 to 204
Calculation steps:
[( 204 - 280 ) ÷ 280] x 100 = -27.14%
Formula
Percentage change = [(204 - 280) / 280] x 100
Subtract the new number by the original number
204 - 280 = -76
-76 ÷ 280 = -0.2714285714285714
-0.2714285714285714 x 100 = -27.14%