83.08% is the change from 390 to 714
Calculation steps:
[( 714 - 390 ) ÷ 390] x 100 = 83.08%
Formula
Percentage change = [(714 - 390) / 390] x 100
Subtract the new number by the original number
714 - 390 = 324
324 ÷ 390 = 0.8307692307692308
0.8307692307692308 x 100 = 83.08%