280.77% is the change from 26 to 99
Calculation steps:
[( 99 - 26 ) ÷ 26] x 100 = 280.77%
Formula
Percentage change = [(99 - 26) / 26] x 100
Subtract the new number by the original number
99 - 26 = 73
73 ÷ 26 = 2.8076923076923075
2.8076923076923075 x 100 = 280.77%