271.03% is the change from 107 to 397
Calculation steps:
[( 397 - 107 ) ÷ 107] x 100 = 271.03%
Formula
Percentage change = [(397 - 107) / 107] x 100
Subtract the new number by the original number
397 - 107 = 290
290 ÷ 107 = 2.710280373831776
2.710280373831776 x 100 = 271.03%