-31.04% is the change from 712 to 491
Calculation steps:
[( 491 - 712 ) ÷ 712] x 100 = -31.04%
Formula
Percentage change = [(491 - 712) / 712] x 100
Subtract the new number by the original number
491 - 712 = -221
-221 ÷ 712 = -0.3103932584269663
-0.3103932584269663 x 100 = -31.04%