83.38% is the change from 343 to 629
Calculation steps:
[( 629 - 343 ) ÷ 343] x 100 = 83.38%
Formula
Percentage change = [(629 - 343) / 343] x 100
Subtract the new number by the original number
629 - 343 = 286
286 ÷ 343 = 0.8338192419825073
0.8338192419825073 x 100 = 83.38%