61.49% is the change from 161 to 260
Calculation steps:
[( 260 - 161 ) ÷ 161] x 100 = 61.49%
Formula
Percentage change = [(260 - 161) / 161] x 100
Subtract the new number by the original number
260 - 161 = 99
99 ÷ 161 = 0.6149068322981367
0.6149068322981367 x 100 = 61.49%