-93.12% is the change from 189 to 13
Calculation steps:
[( 13 - 189 ) ÷ 189] x 100 = -93.12%
Formula
Percentage change = [(13 - 189) / 189] x 100
Subtract the new number by the original number
13 - 189 = -176
-176 ÷ 189 = -0.9312169312169312
-0.9312169312169312 x 100 = -93.12%