77.83% is the change from 397 to 706
Calculation steps:
[( 706 - 397 ) ÷ 397] x 100 = 77.83%
Formula
Percentage change = [(706 - 397) / 397] x 100
Subtract the new number by the original number
706 - 397 = 309
309 ÷ 397 = 0.7783375314861462
0.7783375314861462 x 100 = 77.83%