356.36% is the change from 55 to 251
Calculation steps:
[( 251 - 55 ) ÷ 55] x 100 = 356.36%
Formula
Percentage change = [(251 - 55) / 55] x 100
Subtract the new number by the original number
251 - 55 = 196
196 ÷ 55 = 3.5636363636363635
3.5636363636363635 x 100 = 356.36%