-51.14% is the change from 702 to 343
Calculation steps:
[( 343 - 702 ) ÷ 702] x 100 = -51.14%
Formula
Percentage change = [(343 - 702) / 702] x 100
Subtract the new number by the original number
343 - 702 = -359
-359 ÷ 702 = -0.5113960113960114
-0.5113960113960114 x 100 = -51.14%