81.98% is the change from 344 to 626
Calculation steps:
[( 626 - 344 ) ÷ 344] x 100 = 81.98%
Formula
Percentage change = [(626 - 344) / 344] x 100
Subtract the new number by the original number
626 - 344 = 282
282 ÷ 344 = 0.8197674418604651
0.8197674418604651 x 100 = 81.98%