100.88% is the change from 342 to 687
Calculation steps:
[( 687 - 342 ) ÷ 342] x 100 = 100.88%
Formula
Percentage change = [(687 - 342) / 342] x 100
Subtract the new number by the original number
687 - 342 = 345
345 ÷ 342 = 1.0087719298245614
1.0087719298245614 x 100 = 100.88%