-51.36% is the change from 699 to 340
Calculation steps:
[( 340 - 699 ) ÷ 699] x 100 = -51.36%
Formula
Percentage change = [(340 - 699) / 699] x 100
Subtract the new number by the original number
340 - 699 = -359
-359 ÷ 699 = -0.5135908440629471
-0.5135908440629471 x 100 = -51.36%