-92.94% is the change from 666 to 47
Calculation steps:
[( 47 - 666 ) ÷ 666] x 100 = -92.94%
Formula
Percentage change = [(47 - 666) / 666] x 100
Subtract the new number by the original number
47 - 666 = -619
-619 ÷ 666 = -0.9294294294294294
-0.9294294294294294 x 100 = -92.94%