-23.5% is the change from 366 to 280
Calculation steps:
[( 280 - 366 ) ÷ 366] x 100 = -23.5%
Formula
Percentage change = [(280 - 366) / 366] x 100
Subtract the new number by the original number
280 - 366 = -86
-86 ÷ 366 = -0.23497267759562843
-0.23497267759562843 x 100 = -23.5%