423.53% is the change from 102 to 534
Calculation steps:
[( 534 - 102 ) ÷ 102] x 100 = 423.53%
Formula
Percentage change = [(534 - 102) / 102] x 100
Subtract the new number by the original number
534 - 102 = 432
432 ÷ 102 = 4.235294117647059
4.235294117647059 x 100 = 423.53%