-88.14% is the change from 919 to 109
Calculation steps:
[( 109 - 919 ) ÷ 919] x 100 = -88.14%
Formula
Percentage change = [(109 - 919) / 919] x 100
Subtract the new number by the original number
109 - 919 = -810
-810 ÷ 919 = -0.8813928182807399
-0.8813928182807399 x 100 = -88.14%