45.24% is the change from 347 to 504
Calculation steps:
[( 504 - 347 ) ÷ 347] x 100 = 45.24%
Formula
Percentage change = [(504 - 347) / 347] x 100
Subtract the new number by the original number
504 - 347 = 157
157 ÷ 347 = 0.45244956772334294
0.45244956772334294 x 100 = 45.24%