78.34% is the change from 397 to 708
Calculation steps:
[( 708 - 397 ) ÷ 397] x 100 = 78.34%
Formula
Percentage change = [(708 - 397) / 397] x 100
Subtract the new number by the original number
708 - 397 = 311
311 ÷ 397 = 0.783375314861461
0.783375314861461 x 100 = 78.34%