-97.88% is the change from 189 to 4
Calculation steps:
[( 4 - 189 ) ÷ 189] x 100 = -97.88%
Formula
Percentage change = [(4 - 189) / 189] x 100
Subtract the new number by the original number
4 - 189 = -185
-185 ÷ 189 = -0.9788359788359788
-0.9788359788359788 x 100 = -97.88%