-34.43% is the change from 909 to 596
Calculation steps:
[( 596 - 909 ) ÷ 909] x 100 = -34.43%
Formula
Percentage change = [(596 - 909) / 909] x 100
Subtract the new number by the original number
596 - 909 = -313
-313 ÷ 909 = -0.34433443344334436
-0.34433443344334436 x 100 = -34.43%