99.71% is the change from 349 to 697
Calculation steps:
[( 697 - 349 ) ÷ 349] x 100 = 99.71%
Formula
Percentage change = [(697 - 349) / 349] x 100
Subtract the new number by the original number
697 - 349 = 348
348 ÷ 349 = 0.997134670487106
0.997134670487106 x 100 = 99.71%