27.09% is the change from 251 to 319
Calculation steps:
[( 319 - 251 ) ÷ 251] x 100 = 27.09%
Formula
Percentage change = [(319 - 251) / 251] x 100
Subtract the new number by the original number
319 - 251 = 68
68 ÷ 251 = 0.27091633466135456
0.27091633466135456 x 100 = 27.09%