77.64% is the change from 161 to 286
Calculation steps:
[( 286 - 161 ) ÷ 161] x 100 = 77.64%
Formula
Percentage change = [(286 - 161) / 161] x 100
Subtract the new number by the original number
286 - 161 = 125
125 ÷ 161 = 0.7763975155279503
0.7763975155279503 x 100 = 77.64%