-72.86% is the change from 199 to 54
Calculation steps:
[( 54 - 199 ) ÷ 199] x 100 = -72.86%
Formula
Percentage change = [(54 - 199) / 199] x 100
Subtract the new number by the original number
54 - 199 = -145
-145 ÷ 199 = -0.7286432160804021
-0.7286432160804021 x 100 = -72.86%