85.64% is the change from 390 to 724
Calculation steps:
[( 724 - 390 ) ÷ 390] x 100 = 85.64%
Formula
Percentage change = [(724 - 390) / 390] x 100
Subtract the new number by the original number
724 - 390 = 334
334 ÷ 390 = 0.8564102564102564
0.8564102564102564 x 100 = 85.64%