-84.15% is the change from 839 to 133
Calculation steps:
[( 133 - 839 ) ÷ 839] x 100 = -84.15%
Formula
Percentage change = [(133 - 839) / 839] x 100
Subtract the new number by the original number
133 - 839 = -706
-706 ÷ 839 = -0.8414779499404053
-0.8414779499404053 x 100 = -84.15%