72.32% is the change from 177 to 305
Calculation steps:
[( 305 - 177 ) ÷ 177] x 100 = 72.32%
Formula
Percentage change = [(305 - 177) / 177] x 100
Subtract the new number by the original number
305 - 177 = 128
128 ÷ 177 = 0.7231638418079096
0.7231638418079096 x 100 = 72.32%