70.28% is the change from 397 to 676
Calculation steps:
[( 676 - 397 ) ÷ 397] x 100 = 70.28%
Formula
Percentage change = [(676 - 397) / 397] x 100
Subtract the new number by the original number
676 - 397 = 279
279 ÷ 397 = 0.7027707808564232
0.7027707808564232 x 100 = 70.28%