74.68% is the change from 308 to 538
Calculation steps:
[( 538 - 308 ) ÷ 308] x 100 = 74.68%
Formula
Percentage change = [(538 - 308) / 308] x 100
Subtract the new number by the original number
538 - 308 = 230
230 ÷ 308 = 0.7467532467532467
0.7467532467532467 x 100 = 74.68%