-16.81% is the change from 339 to 282
Calculation steps:
[( 282 - 339 ) ÷ 339] x 100 = -16.81%
Formula
Percentage change = [(282 - 339) / 339] x 100
Subtract the new number by the original number
282 - 339 = -57
-57 ÷ 339 = -0.168141592920354
-0.168141592920354 x 100 = -16.81%