-71.43% is the change from 189 to 54
Calculation steps:
[( 54 - 189 ) ÷ 189] x 100 = -71.43%
Formula
Percentage change = [(54 - 189) / 189] x 100
Subtract the new number by the original number
54 - 189 = -135
-135 ÷ 189 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%