-92.8% is the change from 667 to 48
Calculation steps:
[( 48 - 667 ) ÷ 667] x 100 = -92.8%
Formula
Percentage change = [(48 - 667) / 667] x 100
Subtract the new number by the original number
48 - 667 = -619
-619 ÷ 667 = -0.9280359820089955
-0.9280359820089955 x 100 = -92.8%