72.67% is the change from 161 to 278
Calculation steps:
[( 278 - 161 ) ÷ 161] x 100 = 72.67%
Formula
Percentage change = [(278 - 161) / 161] x 100
Subtract the new number by the original number
278 - 161 = 117
117 ÷ 161 = 0.7267080745341615
0.7267080745341615 x 100 = 72.67%