-88.25% is the change from 647 to 76
Calculation steps:
[( 76 - 647 ) ÷ 647] x 100 = -88.25%
Formula
Percentage change = [(76 - 647) / 647] x 100
Subtract the new number by the original number
76 - 647 = -571
-571 ÷ 647 = -0.8825347758887172
-0.8825347758887172 x 100 = -88.25%