15.58% is the change from 276 to 319
Calculation steps:
[( 319 - 276 ) ÷ 276] x 100 = 15.58%
Formula
Percentage change = [(319 - 276) / 276] x 100
Subtract the new number by the original number
319 - 276 = 43
43 ÷ 276 = 0.15579710144927536
0.15579710144927536 x 100 = 15.58%