82.99% is the change from 388 to 710
Calculation steps:
[( 710 - 388 ) ÷ 388] x 100 = 82.99%
Formula
Percentage change = [(710 - 388) / 388] x 100
Subtract the new number by the original number
710 - 388 = 322
322 ÷ 388 = 0.8298969072164949
0.8298969072164949 x 100 = 82.99%