52.04% is the change from 319 to 485
Calculation steps:
[( 485 - 319 ) ÷ 319] x 100 = 52.04%
Formula
Percentage change = [(485 - 319) / 319] x 100
Subtract the new number by the original number
485 - 319 = 166
166 ÷ 319 = 0.5203761755485894
0.5203761755485894 x 100 = 52.04%