4800% is the change from 1 to 49
Calculation steps:
[( 49 - 1 ) ÷ 1] x 100 = 4800%
Formula
Percentage change = [(49 - 1) / 1] x 100
Subtract the new number by the original number
49 - 1 = 48
48 ÷ 1 = 48
48 x 100 = 4800%
Example