64.58% is the change from 319 to 525
Calculation steps:
[( 525 - 319 ) ÷ 319] x 100 = 64.58%
Formula
Percentage change = [(525 - 319) / 319] x 100
Subtract the new number by the original number
525 - 319 = 206
206 ÷ 319 = 0.64576802507837
0.64576802507837 x 100 = 64.58%