-88.17% is the change from 617 to 73
Calculation steps:
[( 73 - 617 ) ÷ 617] x 100 = -88.17%
Formula
Percentage change = [(73 - 617) / 617] x 100
Subtract the new number by the original number
73 - 617 = -544
-544 ÷ 617 = -0.8816855753646677
-0.8816855753646677 x 100 = -88.17%