-50.94% is the change from 693 to 340
Calculation steps:
[( 340 - 693 ) ÷ 693] x 100 = -50.94%
Formula
Percentage change = [(340 - 693) / 693] x 100
Subtract the new number by the original number
340 - 693 = -353
-353 ÷ 693 = -0.5093795093795094
-0.5093795093795094 x 100 = -50.94%