-48.76% is the change from 402 to 206
Calculation steps:
[( 206 - 402 ) ÷ 402] x 100 = -48.76%
Formula
Percentage change = [(206 - 402) / 402] x 100
Subtract the new number by the original number
206 - 402 = -196
-196 ÷ 402 = -0.48756218905472637
-0.48756218905472637 x 100 = -48.76%