-36.86% is the change from 917 to 579
Calculation steps:
[( 579 - 917 ) ÷ 917] x 100 = -36.86%
Formula
Percentage change = [(579 - 917) / 917] x 100
Subtract the new number by the original number
579 - 917 = -338
-338 ÷ 917 = -0.3685932388222465
-0.3685932388222465 x 100 = -36.86%