-40.03% is the change from 702 to 421
Calculation steps:
[( 421 - 702 ) ÷ 702] x 100 = -40.03%
Formula
Percentage change = [(421 - 702) / 702] x 100
Subtract the new number by the original number
421 - 702 = -281
-281 ÷ 702 = -0.40028490028490027
-0.40028490028490027 x 100 = -40.03%