285.71% is the change from 14 to 54
Calculation steps:
[( 54 - 14 ) ÷ 14] x 100 = 285.71%
Formula
Percentage change = [(54 - 14) / 14] x 100
Subtract the new number by the original number
54 - 14 = 40
40 ÷ 14 = 2.857142857142857
2.857142857142857 x 100 = 285.71%