72.05% is the change from 161 to 277
Calculation steps:
[( 277 - 161 ) ÷ 161] x 100 = 72.05%
Formula
Percentage change = [(277 - 161) / 161] x 100
Subtract the new number by the original number
277 - 161 = 116
116 ÷ 161 = 0.7204968944099379
0.7204968944099379 x 100 = 72.05%