-92.9% is the change from 662 to 47
Calculation steps:
[( 47 - 662 ) ÷ 662] x 100 = -92.9%
Formula
Percentage change = [(47 - 662) / 662] x 100
Subtract the new number by the original number
47 - 662 = -615
-615 ÷ 662 = -0.9290030211480362
-0.9290030211480362 x 100 = -92.9%