-88.32% is the change from 839 to 98
Calculation steps:
[( 98 - 839 ) ÷ 839] x 100 = -88.32%
Formula
Percentage change = [(98 - 839) / 839] x 100
Subtract the new number by the original number
98 - 839 = -741
-741 ÷ 839 = -0.8831942789034565
-0.8831942789034565 x 100 = -88.32%