77.02% is the change from 161 to 285
Calculation steps:
[( 285 - 161 ) ÷ 161] x 100 = 77.02%
Formula
Percentage change = [(285 - 161) / 161] x 100
Subtract the new number by the original number
285 - 161 = 124
124 ÷ 161 = 0.7701863354037267
0.7701863354037267 x 100 = 77.02%