91.69% is the change from 349 to 669
Calculation steps:
[( 669 - 349 ) ÷ 349] x 100 = 91.69%
Formula
Percentage change = [(669 - 349) / 349] x 100
Subtract the new number by the original number
669 - 349 = 320
320 ÷ 349 = 0.9169054441260746
0.9169054441260746 x 100 = 91.69%