86.15% is the change from 390 to 726
Calculation steps:
[( 726 - 390 ) ÷ 390] x 100 = 86.15%
Formula
Percentage change = [(726 - 390) / 390] x 100
Subtract the new number by the original number
726 - 390 = 336
336 ÷ 390 = 0.8615384615384616
0.8615384615384616 x 100 = 86.15%