-54.42% is the change from 702 to 320
Calculation steps:
[( 320 - 702 ) ÷ 702] x 100 = -54.42%
Formula
Percentage change = [(320 - 702) / 702] x 100
Subtract the new number by the original number
320 - 702 = -382
-382 ÷ 702 = -0.5441595441595442
-0.5441595441595442 x 100 = -54.42%