138.39% is the change from 224 to 534
Calculation steps:
[( 534 - 224 ) ÷ 224] x 100 = 138.39%
Formula
Percentage change = [(534 - 224) / 224] x 100
Subtract the new number by the original number
534 - 224 = 310
310 ÷ 224 = 1.3839285714285714
1.3839285714285714 x 100 = 138.39%