-31.27% is the change from 339 to 233
Calculation steps:
[( 233 - 339 ) ÷ 339] x 100 = -31.27%
Formula
Percentage change = [(233 - 339) / 339] x 100
Subtract the new number by the original number
233 - 339 = -106
-106 ÷ 339 = -0.31268436578171094
-0.31268436578171094 x 100 = -31.27%