-51.23% is the change from 691 to 337
Calculation steps:
[( 337 - 691 ) ÷ 691] x 100 = -51.23%
Formula
Percentage change = [(337 - 691) / 691] x 100
Subtract the new number by the original number
337 - 691 = -354
-354 ÷ 691 = -0.5123010130246021
-0.5123010130246021 x 100 = -51.23%