-14.54% is the change from 839 to 717
Calculation steps:
[( 717 - 839 ) ÷ 839] x 100 = -14.54%
Formula
Percentage change = [(717 - 839) / 839] x 100
Subtract the new number by the original number
717 - 839 = -122
-122 ÷ 839 = -0.14541120381406436
-0.14541120381406436 x 100 = -14.54%