-92.72% is the change from 673 to 49
Calculation steps:
[( 49 - 673 ) ÷ 673] x 100 = -92.72%
Formula
Percentage change = [(49 - 673) / 673] x 100
Subtract the new number by the original number
49 - 673 = -624
-624 ÷ 673 = -0.9271916790490342
-0.9271916790490342 x 100 = -92.72%