97.42% is the change from 349 to 689
Calculation steps:
[( 689 - 349 ) ÷ 349] x 100 = 97.42%
Formula
Percentage change = [(689 - 349) / 349] x 100
Subtract the new number by the original number
689 - 349 = 340
340 ÷ 349 = 0.9742120343839542
0.9742120343839542 x 100 = 97.42%