-87.86% is the change from 140 to 17
Calculation steps:
[( 17 - 140 ) ÷ 140] x 100 = -87.86%
Formula
Percentage change = [(17 - 140) / 140] x 100
Subtract the new number by the original number
17 - 140 = -123
-123 ÷ 140 = -0.8785714285714286
-0.8785714285714286 x 100 = -87.86%