276.92% is the change from 13 to 49
Calculation steps:
[( 49 - 13 ) ÷ 13] x 100 = 276.92%
Formula
Percentage change = [(49 - 13) / 13] x 100
Subtract the new number by the original number
49 - 13 = 36
36 ÷ 13 = 2.769230769230769
2.769230769230769 x 100 = 276.92%