-90.86% is the change from 186 to 17
Calculation steps:
[( 17 - 186 ) ÷ 186] x 100 = -90.86%
Formula
Percentage change = [(17 - 186) / 186] x 100
Subtract the new number by the original number
17 - 186 = -169
-169 ÷ 186 = -0.9086021505376344
-0.9086021505376344 x 100 = -90.86%