-36.97% is the change from 917 to 578
Calculation steps:
[( 578 - 917 ) ÷ 917] x 100 = -36.97%
Formula
Percentage change = [(578 - 917) / 917] x 100
Subtract the new number by the original number
578 - 917 = -339
-339 ÷ 917 = -0.3696837513631407
-0.3696837513631407 x 100 = -36.97%