102.03% is the change from 345 to 697
Calculation steps:
[( 697 - 345 ) ÷ 345] x 100 = 102.03%
Formula
Percentage change = [(697 - 345) / 345] x 100
Subtract the new number by the original number
697 - 345 = 352
352 ÷ 345 = 1.0202898550724637
1.0202898550724637 x 100 = 102.03%