5100% is the change from 10 to 520
Calculation steps:
[( 520 - 10 ) ÷ 10] x 100 = 5100%
Formula
Percentage change = [(520 - 10) / 10] x 100
Subtract the new number by the original number
520 - 10 = 510
510 ÷ 10 = 51
51 x 100 = 5100%
Example