538.46% is the change from 26 to 166
Calculation steps:
[( 166 - 26 ) ÷ 26] x 100 = 538.46%
Formula
Percentage change = [(166 - 26) / 26] x 100
Subtract the new number by the original number
166 - 26 = 140
140 ÷ 26 = 5.384615384615385
5.384615384615385 x 100 = 538.46%