18.53% is the change from 259 to 307
Calculation steps:
[( 307 - 259 ) ÷ 259] x 100 = 18.53%
Formula
Percentage change = [(307 - 259) / 259] x 100
Subtract the new number by the original number
307 - 259 = 48
48 ÷ 259 = 0.18532818532818532
0.18532818532818532 x 100 = 18.53%