-50.58% is the change from 694 to 343
Calculation steps:
[( 343 - 694 ) ÷ 694] x 100 = -50.58%
Formula
Percentage change = [(343 - 694) / 694] x 100
Subtract the new number by the original number
343 - 694 = -351
-351 ÷ 694 = -0.5057636887608069
-0.5057636887608069 x 100 = -50.58%