24.29% is the change from 247 to 307
Calculation steps:
[( 307 - 247 ) ÷ 247] x 100 = 24.29%
Formula
Percentage change = [(307 - 247) / 247] x 100
Subtract the new number by the original number
307 - 247 = 60
60 ÷ 247 = 0.242914979757085
0.242914979757085 x 100 = 24.29%