29.89% is the change from 348 to 452
Calculation steps:
[( 452 - 348 ) ÷ 348] x 100 = 29.89%
Formula
Percentage change = [(452 - 348) / 348] x 100
Subtract the new number by the original number
452 - 348 = 104
104 ÷ 348 = 0.2988505747126437
0.2988505747126437 x 100 = 29.89%