-6.56% is the change from 900 to 841
Calculation steps:
[( 841 - 900 ) ÷ 900] x 100 = -6.56%
Formula
Percentage change = [(841 - 900) / 900] x 100
Subtract the new number by the original number
841 - 900 = -59
-59 ÷ 900 = -0.06555555555555556
-0.06555555555555556 x 100 = -6.56%