-97.84% is the change from 185 to 4
Calculation steps:
[( 4 - 185 ) ÷ 185] x 100 = -97.84%
Formula
Percentage change = [(4 - 185) / 185] x 100
Subtract the new number by the original number
4 - 185 = -181
-181 ÷ 185 = -0.9783783783783784
-0.9783783783783784 x 100 = -97.84%