63.01% is the change from 319 to 520
Calculation steps:
[( 520 - 319 ) ÷ 319] x 100 = 63.01%
Formula
Percentage change = [(520 - 319) / 319] x 100
Subtract the new number by the original number
520 - 319 = 201
201 ÷ 319 = 0.6300940438871473
0.6300940438871473 x 100 = 63.01%