80.23% is the change from 177 to 319
Calculation steps:
[( 319 - 177 ) ÷ 177] x 100 = 80.23%
Formula
Percentage change = [(319 - 177) / 177] x 100
Subtract the new number by the original number
319 - 177 = 142
142 ÷ 177 = 0.8022598870056498
0.8022598870056498 x 100 = 80.23%