73.45% is the change from 177 to 307
Calculation steps:
[( 307 - 177 ) ÷ 177] x 100 = 73.45%
Formula
Percentage change = [(307 - 177) / 177] x 100
Subtract the new number by the original number
307 - 177 = 130
130 ÷ 177 = 0.7344632768361582
0.7344632768361582 x 100 = 73.45%