-92.84% is the change from 670 to 48
Calculation steps:
[( 48 - 670 ) ÷ 670] x 100 = -92.84%
Formula
Percentage change = [(48 - 670) / 670] x 100
Subtract the new number by the original number
48 - 670 = -622
-622 ÷ 670 = -0.9283582089552239
-0.9283582089552239 x 100 = -92.84%