-71.12% is the change from 187 to 54
Calculation steps:
[( 54 - 187 ) ÷ 187] x 100 = -71.12%
Formula
Percentage change = [(54 - 187) / 187] x 100
Subtract the new number by the original number
54 - 187 = -133
-133 ÷ 187 = -0.7112299465240641
-0.7112299465240641 x 100 = -71.12%