-92.9% is the change from 690 to 49
Calculation steps:
[( 49 - 690 ) ÷ 690] x 100 = -92.9%
Formula
Percentage change = [(49 - 690) / 690] x 100
Subtract the new number by the original number
49 - 690 = -641
-641 ÷ 690 = -0.9289855072463769
-0.9289855072463769 x 100 = -92.9%