-44.17% is the change from 206 to 115
Calculation steps:
[( 115 - 206 ) ÷ 206] x 100 = -44.17%
Formula
Percentage change = [(115 - 206) / 206] x 100
Subtract the new number by the original number
115 - 206 = -91
-91 ÷ 206 = -0.441747572815534
-0.441747572815534 x 100 = -44.17%