65.61% is the change from 314 to 520
Calculation steps:
[( 520 - 314 ) ÷ 314] x 100 = 65.61%
Formula
Percentage change = [(520 - 314) / 314] x 100
Subtract the new number by the original number
520 - 314 = 206
206 ÷ 314 = 0.6560509554140127
0.6560509554140127 x 100 = 65.61%