65.96% is the change from 520 to 863
Calculation steps:
[( 863 - 520 ) ÷ 520] x 100 = 65.96%
Formula
Percentage change = [(863 - 520) / 520] x 100
Subtract the new number by the original number
863 - 520 = 343
343 ÷ 520 = 0.6596153846153846
0.6596153846153846 x 100 = 65.96%