-79.39% is the change from 917 to 189
Calculation steps:
[( 189 - 917 ) ÷ 917] x 100 = -79.39%
Formula
Percentage change = [(189 - 917) / 917] x 100
Subtract the new number by the original number
189 - 917 = -728
-728 ÷ 917 = -0.7938931297709924
-0.7938931297709924 x 100 = -79.39%