-85.18% is the change from 938 to 139
Calculation steps:
[( 139 - 938 ) ÷ 938] x 100 = -85.18%
Formula
Percentage change = [(139 - 938) / 938] x 100
Subtract the new number by the original number
139 - 938 = -799
-799 ÷ 938 = -0.8518123667377399
-0.8518123667377399 x 100 = -85.18%