66.46% is the change from 161 to 268
Calculation steps:
[( 268 - 161 ) ÷ 161] x 100 = 66.46%
Formula
Percentage change = [(268 - 161) / 161] x 100
Subtract the new number by the original number
268 - 161 = 107
107 ÷ 161 = 0.6645962732919255
0.6645962732919255 x 100 = 66.46%