163.56% is the change from 343 to 904
Calculation steps:
[( 904 - 343 ) ÷ 343] x 100 = 163.56%
Formula
Percentage change = [(904 - 343) / 343] x 100
Subtract the new number by the original number
904 - 343 = 561
561 ÷ 343 = 1.6355685131195334
1.6355685131195334 x 100 = 163.56%