79.31% is the change from 348 to 624
Calculation steps:
[( 624 - 348 ) ÷ 348] x 100 = 79.31%
Formula
Percentage change = [(624 - 348) / 348] x 100
Subtract the new number by the original number
624 - 348 = 276
276 ÷ 348 = 0.7931034482758621
0.7931034482758621 x 100 = 79.31%