-92.93% is the change from 665 to 47
Calculation steps:
[( 47 - 665 ) ÷ 665] x 100 = -92.93%
Formula
Percentage change = [(47 - 665) / 665] x 100
Subtract the new number by the original number
47 - 665 = -618
-618 ÷ 665 = -0.9293233082706767
-0.9293233082706767 x 100 = -92.93%