-50.72% is the change from 418 to 206
Calculation steps:
[( 206 - 418 ) ÷ 418] x 100 = -50.72%
Formula
Percentage change = [(206 - 418) / 418] x 100
Subtract the new number by the original number
206 - 418 = -212
-212 ÷ 418 = -0.507177033492823
-0.507177033492823 x 100 = -50.72%