26.06% is the change from 307 to 387
Calculation steps:
[( 387 - 307 ) ÷ 307] x 100 = 26.06%
Formula
Percentage change = [(387 - 307) / 307] x 100
Subtract the new number by the original number
387 - 307 = 80
80 ÷ 307 = 0.26058631921824105
0.26058631921824105 x 100 = 26.06%