80.79% is the change from 177 to 320
Calculation steps:
[( 320 - 177 ) ÷ 177] x 100 = 80.79%
Formula
Percentage change = [(320 - 177) / 177] x 100
Subtract the new number by the original number
320 - 177 = 143
143 ÷ 177 = 0.807909604519774
0.807909604519774 x 100 = 80.79%