837.5% is the change from 56 to 525
Calculation steps:
[( 525 - 56 ) ÷ 56] x 100 = 837.5%
Formula
Percentage change = [(525 - 56) / 56] x 100
Subtract the new number by the original number
525 - 56 = 469
469 ÷ 56 = 8.375
8.375 x 100 = 837.5%
Example