65.66% is the change from 99 to 164
Calculation steps:
[( 164 - 99 ) ÷ 99] x 100 = 65.66%
Formula
Percentage change = [(164 - 99) / 99] x 100
Subtract the new number by the original number
164 - 99 = 65
65 ÷ 99 = 0.6565656565656566
0.6565656565656566 x 100 = 65.66%