65.83% is the change from 319 to 529
Calculation steps:
[( 529 - 319 ) ÷ 319] x 100 = 65.83%
Formula
Percentage change = [(529 - 319) / 319] x 100
Subtract the new number by the original number
529 - 319 = 210
210 ÷ 319 = 0.658307210031348
0.658307210031348 x 100 = 65.83%