-49.03% is the change from 206 to 105
Calculation steps:
[( 105 - 206 ) ÷ 206] x 100 = -49.03%
Formula
Percentage change = [(105 - 206) / 206] x 100
Subtract the new number by the original number
105 - 206 = -101
-101 ÷ 206 = -0.49029126213592233
-0.49029126213592233 x 100 = -49.03%