-72.33% is the change from 206 to 57
Calculation steps:
[( 57 - 206 ) ÷ 206] x 100 = -72.33%
Formula
Percentage change = [(57 - 206) / 206] x 100
Subtract the new number by the original number
57 - 206 = -149
-149 ÷ 206 = -0.7233009708737864
-0.7233009708737864 x 100 = -72.33%