-12.56% is the change from 900 to 787
Calculation steps:
[( 787 - 900 ) ÷ 900] x 100 = -12.56%
Formula
Percentage change = [(787 - 900) / 900] x 100
Subtract the new number by the original number
787 - 900 = -113
-113 ÷ 900 = -0.12555555555555556
-0.12555555555555556 x 100 = -12.56%