295% is the change from 20 to 79
Calculation steps:
[( 79 - 20 ) ÷ 20] x 100 = 295%
Formula
Percentage change = [(79 - 20) / 20] x 100
Subtract the new number by the original number
79 - 20 = 59
59 ÷ 20 = 2.95
2.95 x 100 = 295%
Example