-51.57% is the change from 702 to 340
Calculation steps:
[( 340 - 702 ) ÷ 702] x 100 = -51.57%
Formula
Percentage change = [(340 - 702) / 702] x 100
Subtract the new number by the original number
340 - 702 = -362
-362 ÷ 702 = -0.5156695156695157
-0.5156695156695157 x 100 = -51.57%