-31.08% is the change from 711 to 490
Calculation steps:
[( 490 - 711 ) ÷ 711] x 100 = -31.08%
Formula
Percentage change = [(490 - 711) / 711] x 100
Subtract the new number by the original number
490 - 711 = -221
-221 ÷ 711 = -0.3108298171589311
-0.3108298171589311 x 100 = -31.08%