-41.25% is the change from 909 to 534
Calculation steps:
[( 534 - 909 ) ÷ 909] x 100 = -41.25%
Formula
Percentage change = [(534 - 909) / 909] x 100
Subtract the new number by the original number
534 - 909 = -375
-375 ÷ 909 = -0.41254125412541254
-0.41254125412541254 x 100 = -41.25%