69.44% is the change from 180 to 305
Calculation steps:
[( 305 - 180 ) ÷ 180] x 100 = 69.44%
Formula
Percentage change = [(305 - 180) / 180] x 100
Subtract the new number by the original number
305 - 180 = 125
125 ÷ 180 = 0.6944444444444444
0.6944444444444444 x 100 = 69.44%