70.81% is the change from 161 to 275
Calculation steps:
[( 275 - 161 ) ÷ 161] x 100 = 70.81%
Formula
Percentage change = [(275 - 161) / 161] x 100
Subtract the new number by the original number
275 - 161 = 114
114 ÷ 161 = 0.7080745341614907
0.7080745341614907 x 100 = 70.81%