-67.58% is the change from 839 to 272
Calculation steps:
[( 272 - 839 ) ÷ 839] x 100 = -67.58%
Formula
Percentage change = [(272 - 839) / 839] x 100
Subtract the new number by the original number
272 - 839 = -567
-567 ÷ 839 = -0.6758045292014303
-0.6758045292014303 x 100 = -67.58%