354.55% is the change from 11 to 50
Calculation steps:
[( 50 - 11 ) ÷ 11] x 100 = 354.55%
Formula
Percentage change = [(50 - 11) / 11] x 100
Subtract the new number by the original number
50 - 11 = 39
39 ÷ 11 = 3.5454545454545454
3.5454545454545454 x 100 = 354.55%