-92.91% is the change from 691 to 49
Calculation steps:
[( 49 - 691 ) ÷ 691] x 100 = -92.91%
Formula
Percentage change = [(49 - 691) / 691] x 100
Subtract the new number by the original number
49 - 691 = -642
-642 ÷ 691 = -0.9290882778581766
-0.9290882778581766 x 100 = -92.91%