387.27% is the change from 55 to 268
Calculation steps:
[( 268 - 55 ) ÷ 55] x 100 = 387.27%
Formula
Percentage change = [(268 - 55) / 55] x 100
Subtract the new number by the original number
268 - 55 = 213
213 ÷ 55 = 3.8727272727272726
3.8727272727272726 x 100 = 387.27%