63.85% is the change from 520 to 852
Calculation steps:
[( 852 - 520 ) ÷ 520] x 100 = 63.85%
Formula
Percentage change = [(852 - 520) / 520] x 100
Subtract the new number by the original number
852 - 520 = 332
332 ÷ 520 = 0.6384615384615384
0.6384615384615384 x 100 = 63.85%