-88.58% is the change from 648 to 74
Calculation steps:
[( 74 - 648 ) ÷ 648] x 100 = -88.58%
Formula
Percentage change = [(74 - 648) / 648] x 100
Subtract the new number by the original number
74 - 648 = -574
-574 ÷ 648 = -0.8858024691358025
-0.8858024691358025 x 100 = -88.58%