74.18% is the change from 306 to 533
Calculation steps:
[( 533 - 306 ) ÷ 306] x 100 = 74.18%
Formula
Percentage change = [(533 - 306) / 306] x 100
Subtract the new number by the original number
533 - 306 = 227
227 ÷ 306 = 0.7418300653594772
0.7418300653594772 x 100 = 74.18%