-90.1% is the change from 525 to 52
Calculation steps:
[( 52 - 525 ) ÷ 525] x 100 = -90.1%
Formula
Percentage change = [(52 - 525) / 525] x 100
Subtract the new number by the original number
52 - 525 = -473
-473 ÷ 525 = -0.900952380952381
-0.900952380952381 x 100 = -90.1%