-52.38% is the change from 189 to 90
Calculation steps:
[( 90 - 189 ) ÷ 189] x 100 = -52.38%
Formula
Percentage change = [(90 - 189) / 189] x 100
Subtract the new number by the original number
90 - 189 = -99
-99 ÷ 189 = -0.5238095238095238
-0.5238095238095238 x 100 = -52.38%