-23.64% is the change from 939 to 717
Calculation steps:
[( 717 - 939 ) ÷ 939] x 100 = -23.64%
Formula
Percentage change = [(717 - 939) / 939] x 100
Subtract the new number by the original number
717 - 939 = -222
-222 ÷ 939 = -0.2364217252396166
-0.2364217252396166 x 100 = -23.64%