264.24% is the change from 151 to 550
Calculation steps:
[( 550 - 151 ) ÷ 151] x 100 = 264.24%
Formula
Percentage change = [(550 - 151) / 151] x 100
Subtract the new number by the original number
550 - 151 = 399
399 ÷ 151 = 2.642384105960265
2.642384105960265 x 100 = 264.24%