247.1% is the change from 155 to 538
Calculation steps:
[( 538 - 155 ) ÷ 155] x 100 = 247.1%
Formula
Percentage change = [(538 - 155) / 155] x 100
Subtract the new number by the original number
538 - 155 = 383
383 ÷ 155 = 2.470967741935484
2.470967741935484 x 100 = 247.1%