-92.97% is the change from 669 to 47
Calculation steps:
[( 47 - 669 ) ÷ 669] x 100 = -92.97%
Formula
Percentage change = [(47 - 669) / 669] x 100
Subtract the new number by the original number
47 - 669 = -622
-622 ÷ 669 = -0.929745889387145
-0.929745889387145 x 100 = -92.97%