-40.56% is the change from 900 to 535
Calculation steps:
[( 535 - 900 ) ÷ 900] x 100 = -40.56%
Formula
Percentage change = [(535 - 900) / 900] x 100
Subtract the new number by the original number
535 - 900 = -365
-365 ÷ 900 = -0.40555555555555556
-0.40555555555555556 x 100 = -40.56%