-85.34% is the change from 948 to 139
Calculation steps:
[( 139 - 948 ) ÷ 948] x 100 = -85.34%
Formula
Percentage change = [(139 - 948) / 948] x 100
Subtract the new number by the original number
139 - 948 = -809
-809 ÷ 948 = -0.8533755274261603
-0.8533755274261603 x 100 = -85.34%