73.13% is the change from 160 to 277
Calculation steps:
[( 277 - 160 ) ÷ 160] x 100 = 73.13%
Formula
Percentage change = [(277 - 160) / 160] x 100
Subtract the new number by the original number
277 - 160 = 117
117 ÷ 160 = 0.73125
0.73125 x 100 = 73.13%