46.51% is the change from 344 to 504
Calculation steps:
[( 504 - 344 ) ÷ 344] x 100 = 46.51%
Formula
Percentage change = [(504 - 344) / 344] x 100
Subtract the new number by the original number
504 - 344 = 160
160 ÷ 344 = 0.46511627906976744
0.46511627906976744 x 100 = 46.51%