-85.47% is the change from 950 to 138
Calculation steps:
[( 138 - 950 ) ÷ 950] x 100 = -85.47%
Formula
Percentage change = [(138 - 950) / 950] x 100
Subtract the new number by the original number
138 - 950 = -812
-812 ÷ 950 = -0.8547368421052631
-0.8547368421052631 x 100 = -85.47%