-90.88% is the change from 647 to 59
Calculation steps:
[( 59 - 647 ) ÷ 647] x 100 = -90.88%
Formula
Percentage change = [(59 - 647) / 647] x 100
Subtract the new number by the original number
59 - 647 = -588
-588 ÷ 647 = -0.9088098918083463
-0.9088098918083463 x 100 = -90.88%