-16.79% is the change from 280 to 233
Calculation steps:
[( 233 - 280 ) ÷ 280] x 100 = -16.79%
Formula
Percentage change = [(233 - 280) / 280] x 100
Subtract the new number by the original number
233 - 280 = -47
-47 ÷ 280 = -0.16785714285714284
-0.16785714285714284 x 100 = -16.79%