-73.79% is the change from 206 to 54
Calculation steps:
[( 54 - 206 ) ÷ 206] x 100 = -73.79%
Formula
Percentage change = [(54 - 206) / 206] x 100
Subtract the new number by the original number
54 - 206 = -152
-152 ÷ 206 = -0.7378640776699029
-0.7378640776699029 x 100 = -73.79%