1287.5% is the change from 48 to 666
Calculation steps:
[( 666 - 48 ) ÷ 48] x 100 = 1287.5%
Formula
Percentage change = [(666 - 48) / 48] x 100
Subtract the new number by the original number
666 - 48 = 618
618 ÷ 48 = 12.875
12.875 x 100 = 1287.5%
Example