811.76% is the change from 17 to 155
Calculation steps:
[( 155 - 17 ) ÷ 17] x 100 = 811.76%
Formula
Percentage change = [(155 - 17) / 17] x 100
Subtract the new number by the original number
155 - 17 = 138
138 ÷ 17 = 8.117647058823529
8.117647058823529 x 100 = 811.76%