-34.68% is the change from 917 to 599
Calculation steps:
[( 599 - 917 ) ÷ 917] x 100 = -34.68%
Formula
Percentage change = [(599 - 917) / 917] x 100
Subtract the new number by the original number
599 - 917 = -318
-318 ÷ 917 = -0.346782988004362
-0.346782988004362 x 100 = -34.68%