33.05% is the change from 239 to 318
Calculation steps:
[( 318 - 239 ) ÷ 239] x 100 = 33.05%
Formula
Percentage change = [(318 - 239) / 239] x 100
Subtract the new number by the original number
318 - 239 = 79
79 ÷ 239 = 0.3305439330543933
0.3305439330543933 x 100 = 33.05%