77.58% is the change from 397 to 705
Calculation steps:
[( 705 - 397 ) ÷ 397] x 100 = 77.58%
Formula
Percentage change = [(705 - 397) / 397] x 100
Subtract the new number by the original number
705 - 397 = 308
308 ÷ 397 = 0.7758186397984886
0.7758186397984886 x 100 = 77.58%