64.56% is the change from 316 to 520
Calculation steps:
[( 520 - 316 ) ÷ 316] x 100 = 64.56%
Formula
Percentage change = [(520 - 316) / 316] x 100
Subtract the new number by the original number
520 - 316 = 204
204 ÷ 316 = 0.6455696202531646
0.6455696202531646 x 100 = 64.56%