211.54% is the change from 26 to 81
Calculation steps:
[( 81 - 26 ) ÷ 26] x 100 = 211.54%
Formula
Percentage change = [(81 - 26) / 26] x 100
Subtract the new number by the original number
81 - 26 = 55
55 ÷ 26 = 2.1153846153846154
2.1153846153846154 x 100 = 211.54%