257.42% is the change from 155 to 554
Calculation steps:
[( 554 - 155 ) ÷ 155] x 100 = 257.42%
Formula
Percentage change = [(554 - 155) / 155] x 100
Subtract the new number by the original number
554 - 155 = 399
399 ÷ 155 = 2.574193548387097
2.574193548387097 x 100 = 257.42%