-51.77% is the change from 705 to 340
Calculation steps:
[( 340 - 705 ) ÷ 705] x 100 = -51.77%
Formula
Percentage change = [(340 - 705) / 705] x 100
Subtract the new number by the original number
340 - 705 = -365
-365 ÷ 705 = -0.5177304964539007
-0.5177304964539007 x 100 = -51.77%