-50.97% is the change from 206 to 101
Calculation steps:
[( 101 - 206 ) ÷ 206] x 100 = -50.97%
Formula
Percentage change = [(101 - 206) / 206] x 100
Subtract the new number by the original number
101 - 206 = -105
-105 ÷ 206 = -0.5097087378640777
-0.5097087378640777 x 100 = -50.97%