77.78% is the change from 27 to 48
Calculation steps:
[( 48 - 27 ) ÷ 27] x 100 = 77.78%
Formula
Percentage change = [(48 - 27) / 27] x 100
Subtract the new number by the original number
48 - 27 = 21
21 ÷ 27 = 0.7777777777777778
0.7777777777777778 x 100 = 77.78%