59.02% is the change from 305 to 485
Calculation steps:
[( 485 - 305 ) ÷ 305] x 100 = 59.02%
Formula
Percentage change = [(485 - 305) / 305] x 100
Subtract the new number by the original number
485 - 305 = 180
180 ÷ 305 = 0.5901639344262295
0.5901639344262295 x 100 = 59.02%