47.13% is the change from 348 to 512
Calculation steps:
[( 512 - 348 ) ÷ 348] x 100 = 47.13%
Formula
Percentage change = [(512 - 348) / 348] x 100
Subtract the new number by the original number
512 - 348 = 164
164 ÷ 348 = 0.47126436781609193
0.47126436781609193 x 100 = 47.13%