-64.12% is the change from 917 to 329
Calculation steps:
[( 329 - 917 ) ÷ 917] x 100 = -64.12%
Formula
Percentage change = [(329 - 917) / 917] x 100
Subtract the new number by the original number
329 - 917 = -588
-588 ÷ 917 = -0.6412213740458015
-0.6412213740458015 x 100 = -64.12%