79.64% is the change from 388 to 697
Calculation steps:
[( 697 - 388 ) ÷ 388] x 100 = 79.64%
Formula
Percentage change = [(697 - 388) / 388] x 100
Subtract the new number by the original number
697 - 388 = 309
309 ÷ 388 = 0.7963917525773195
0.7963917525773195 x 100 = 79.64%