-39.8% is the change from 711 to 428
Calculation steps:
[( 428 - 711 ) ÷ 711] x 100 = -39.8%
Formula
Percentage change = [(428 - 711) / 711] x 100
Subtract the new number by the original number
428 - 711 = -283
-283 ÷ 711 = -0.3980309423347398
-0.3980309423347398 x 100 = -39.8%