-33.04% is the change from 339 to 227
Calculation steps:
[( 227 - 339 ) ÷ 339] x 100 = -33.04%
Formula
Percentage change = [(227 - 339) / 339] x 100
Subtract the new number by the original number
227 - 339 = -112
-112 ÷ 339 = -0.3303834808259587
-0.3303834808259587 x 100 = -33.04%