48.84% is the change from 344 to 512
Calculation steps:
[( 512 - 344 ) ÷ 344] x 100 = 48.84%
Formula
Percentage change = [(512 - 344) / 344] x 100
Subtract the new number by the original number
512 - 344 = 168
168 ÷ 344 = 0.4883720930232558
0.4883720930232558 x 100 = 48.84%