348.21% is the change from 56 to 251
Calculation steps:
[( 251 - 56 ) ÷ 56] x 100 = 348.21%
Formula
Percentage change = [(251 - 56) / 56] x 100
Subtract the new number by the original number
251 - 56 = 195
195 ÷ 56 = 3.482142857142857
3.482142857142857 x 100 = 348.21%