-36% is the change from 900 to 576
Calculation steps:
[( 576 - 900 ) ÷ 900] x 100 = -36%
Formula
Percentage change = [(576 - 900) / 900] x 100
Subtract the new number by the original number
576 - 900 = -324
-324 ÷ 900 = -0.36
-0.36 x 100 = -36%
Example