65.52% is the change from 319 to 528
Calculation steps:
[( 528 - 319 ) ÷ 319] x 100 = 65.52%
Formula
Percentage change = [(528 - 319) / 319] x 100
Subtract the new number by the original number
528 - 319 = 209
209 ÷ 319 = 0.6551724137931034
0.6551724137931034 x 100 = 65.52%