-90.02% is the change from 561 to 56
Calculation steps:
[( 56 - 561 ) ÷ 561] x 100 = -90.02%
Formula
Percentage change = [(56 - 561) / 561] x 100
Subtract the new number by the original number
56 - 561 = -505
-505 ÷ 561 = -0.9001782531194296
-0.9001782531194296 x 100 = -90.02%