-40.79% is the change from 711 to 421
Calculation steps:
[( 421 - 711 ) ÷ 711] x 100 = -40.79%
Formula
Percentage change = [(421 - 711) / 711] x 100
Subtract the new number by the original number
421 - 711 = -290
-290 ÷ 711 = -0.4078762306610408
-0.4078762306610408 x 100 = -40.79%