54.15% is the change from 349 to 538
Calculation steps:
[( 538 - 349 ) ÷ 349] x 100 = 54.15%
Formula
Percentage change = [(538 - 349) / 349] x 100
Subtract the new number by the original number
538 - 349 = 189
189 ÷ 349 = 0.5415472779369628
0.5415472779369628 x 100 = 54.15%