-51.01% is the change from 694 to 340
Calculation steps:
[( 340 - 694 ) ÷ 694] x 100 = -51.01%
Formula
Percentage change = [(340 - 694) / 694] x 100
Subtract the new number by the original number
340 - 694 = -354
-354 ÷ 694 = -0.5100864553314121
-0.5100864553314121 x 100 = -51.01%