200% is the change from 26 to 78
Calculation steps:
[( 78 - 26 ) ÷ 26] x 100 = 200%
Formula
Percentage change = [(78 - 26) / 26] x 100
Subtract the new number by the original number
78 - 26 = 52
52 ÷ 26 = 2
2 x 100 = 200%
Example