-28.21% is the change from 280 to 201
Calculation steps:
[( 201 - 280 ) ÷ 280] x 100 = -28.21%
Formula
Percentage change = [(201 - 280) / 280] x 100
Subtract the new number by the original number
201 - 280 = -79
-79 ÷ 280 = -0.28214285714285714
-0.28214285714285714 x 100 = -28.21%