900% is the change from 52 to 520
Calculation steps:
[( 520 - 52 ) ÷ 52] x 100 = 900%
Formula
Percentage change = [(520 - 52) / 52] x 100
Subtract the new number by the original number
520 - 52 = 468
468 ÷ 52 = 9
9 x 100 = 900%
Example