-95.21% is the change from 188 to 9
Calculation steps:
[( 9 - 188 ) ÷ 188] x 100 = -95.21%
Formula
Percentage change = [(9 - 188) / 188] x 100
Subtract the new number by the original number
9 - 188 = -179
-179 ÷ 188 = -0.9521276595744681
-0.9521276595744681 x 100 = -95.21%