-20.89% is the change from 900 to 712
Calculation steps:
[( 712 - 900 ) ÷ 900] x 100 = -20.89%
Formula
Percentage change = [(712 - 900) / 900] x 100
Subtract the new number by the original number
712 - 900 = -188
-188 ÷ 900 = -0.2088888888888889
-0.2088888888888889 x 100 = -20.89%