-89.19% is the change from 583 to 63
Calculation steps:
[( 63 - 583 ) ÷ 583] x 100 = -89.19%
Formula
Percentage change = [(63 - 583) / 583] x 100
Subtract the new number by the original number
63 - 583 = -520
-520 ÷ 583 = -0.8919382504288165
-0.8919382504288165 x 100 = -89.19%