-90.07% is the change from 564 to 56
Calculation steps:
[( 56 - 564 ) ÷ 564] x 100 = -90.07%
Formula
Percentage change = [(56 - 564) / 564] x 100
Subtract the new number by the original number
56 - 564 = -508
-508 ÷ 564 = -0.900709219858156
-0.900709219858156 x 100 = -90.07%