400% is the change from 48 to 240
Calculation steps:
[( 240 - 48 ) ÷ 48] x 100 = 400%
Formula
Percentage change = [(240 - 48) / 48] x 100
Subtract the new number by the original number
240 - 48 = 192
192 ÷ 48 = 4
4 x 100 = 400%
Example