-50.14% is the change from 702 to 350
Calculation steps:
[( 350 - 702 ) ÷ 702] x 100 = -50.14%
Formula
Percentage change = [(350 - 702) / 702] x 100
Subtract the new number by the original number
350 - 702 = -352
-352 ÷ 702 = -0.5014245014245015
-0.5014245014245015 x 100 = -50.14%