34.6% is the change from 237 to 319
Calculation steps:
[( 319 - 237 ) ÷ 237] x 100 = 34.6%
Formula
Percentage change = [(319 - 237) / 237] x 100
Subtract the new number by the original number
319 - 237 = 82
82 ÷ 237 = 0.3459915611814346
0.3459915611814346 x 100 = 34.6%