-87.31% is the change from 583 to 74
Calculation steps:
[( 74 - 583 ) ÷ 583] x 100 = -87.31%
Formula
Percentage change = [(74 - 583) / 583] x 100
Subtract the new number by the original number
74 - 583 = -509
-509 ÷ 583 = -0.8730703259005146
-0.8730703259005146 x 100 = -87.31%