72.63% is the change from 179 to 309
Calculation steps:
[( 309 - 179 ) ÷ 179] x 100 = 72.63%
Formula
Percentage change = [(309 - 179) / 179] x 100
Subtract the new number by the original number
309 - 179 = 130
130 ÷ 179 = 0.7262569832402235
0.7262569832402235 x 100 = 72.63%