51.39% is the change from 251 to 380
Calculation steps:
[( 380 - 251 ) ÷ 251] x 100 = 51.39%
Formula
Percentage change = [(380 - 251) / 251] x 100
Subtract the new number by the original number
380 - 251 = 129
129 ÷ 251 = 0.5139442231075697
0.5139442231075697 x 100 = 51.39%