25.51% is the change from 247 to 310
Calculation steps:
[( 310 - 247 ) ÷ 247] x 100 = 25.51%
Formula
Percentage change = [(310 - 247) / 247] x 100
Subtract the new number by the original number
310 - 247 = 63
63 ÷ 247 = 0.2550607287449393
0.2550607287449393 x 100 = 25.51%