-41.03% is the change from 909 to 536
Calculation steps:
[( 536 - 909 ) ÷ 909] x 100 = -41.03%
Formula
Percentage change = [(536 - 909) / 909] x 100
Subtract the new number by the original number
536 - 909 = -373
-373 ÷ 909 = -0.41034103410341033
-0.41034103410341033 x 100 = -41.03%