-15.92% is the change from 333 to 280
Calculation steps:
[( 280 - 333 ) ÷ 333] x 100 = -15.92%
Formula
Percentage change = [(280 - 333) / 333] x 100
Subtract the new number by the original number
280 - 333 = -53
-53 ÷ 333 = -0.15915915915915915
-0.15915915915915915 x 100 = -15.92%