540.74% is the change from 54 to 346
Calculation steps:
[( 346 - 54 ) ÷ 54] x 100 = 540.74%
Formula
Percentage change = [(346 - 54) / 54] x 100
Subtract the new number by the original number
346 - 54 = 292
292 ÷ 54 = 5.407407407407407
5.407407407407407 x 100 = 540.74%