162.63% is the change from 99 to 260
Calculation steps:
[( 260 - 99 ) ÷ 99] x 100 = 162.63%
Formula
Percentage change = [(260 - 99) / 99] x 100
Subtract the new number by the original number
260 - 99 = 161
161 ÷ 99 = 1.6262626262626263
1.6262626262626263 x 100 = 162.63%