100.87% is the change from 343 to 689
Calculation steps:
[( 689 - 343 ) ÷ 343] x 100 = 100.87%
Formula
Percentage change = [(689 - 343) / 343] x 100
Subtract the new number by the original number
689 - 343 = 346
346 ÷ 343 = 1.0087463556851313
1.0087463556851313 x 100 = 100.87%