-85.5% is the change from 938 to 136
Calculation steps:
[( 136 - 938 ) ÷ 938] x 100 = -85.5%
Formula
Percentage change = [(136 - 938) / 938] x 100
Subtract the new number by the original number
136 - 938 = -802
-802 ÷ 938 = -0.8550106609808102
-0.8550106609808102 x 100 = -85.5%