168.69% is the change from 99 to 266
Calculation steps:
[( 266 - 99 ) ÷ 99] x 100 = 168.69%
Formula
Percentage change = [(266 - 99) / 99] x 100
Subtract the new number by the original number
266 - 99 = 167
167 ÷ 99 = 1.6868686868686869
1.6868686868686869 x 100 = 168.69%