-92.81% is the change from 139 to 10
Calculation steps:
[( 10 - 139 ) ÷ 139] x 100 = -92.81%
Formula
Percentage change = [(10 - 139) / 139] x 100
Subtract the new number by the original number
10 - 139 = -129
-129 ÷ 139 = -0.9280575539568345
-0.9280575539568345 x 100 = -92.81%