-89.73% is the change from 594 to 61
Calculation steps:
[( 61 - 594 ) ÷ 594] x 100 = -89.73%
Formula
Percentage change = [(61 - 594) / 594] x 100
Subtract the new number by the original number
61 - 594 = -533
-533 ÷ 594 = -0.8973063973063973
-0.8973063973063973 x 100 = -89.73%