63.52% is the change from 318 to 520
Calculation steps:
[( 520 - 318 ) ÷ 318] x 100 = 63.52%
Formula
Percentage change = [(520 - 318) / 318] x 100
Subtract the new number by the original number
520 - 318 = 202
202 ÷ 318 = 0.6352201257861635
0.6352201257861635 x 100 = 63.52%