-41.94% is the change from 689 to 400
Calculation steps:
[( 400 - 689 ) ÷ 689] x 100 = -41.94%
Formula
Percentage change = [(400 - 689) / 689] x 100
Subtract the new number by the original number
400 - 689 = -289
-289 ÷ 689 = -0.41944847605224966
-0.41944847605224966 x 100 = -41.94%