-47.09% is the change from 189 to 100
Calculation steps:
[( 100 - 189 ) ÷ 189] x 100 = -47.09%
Formula
Percentage change = [(100 - 189) / 189] x 100
Subtract the new number by the original number
100 - 189 = -89
-89 ÷ 189 = -0.4708994708994709
-0.4708994708994709 x 100 = -47.09%