245.91% is the change from 159 to 550
Calculation steps:
[( 550 - 159 ) ÷ 159] x 100 = 245.91%
Formula
Percentage change = [(550 - 159) / 159] x 100
Subtract the new number by the original number
550 - 159 = 391
391 ÷ 159 = 2.459119496855346
2.459119496855346 x 100 = 245.91%