-62.14% is the change from 206 to 78
Calculation steps:
[( 78 - 206 ) ÷ 206] x 100 = -62.14%
Formula
Percentage change = [(78 - 206) / 206] x 100
Subtract the new number by the original number
78 - 206 = -128
-128 ÷ 206 = -0.6213592233009708
-0.6213592233009708 x 100 = -62.14%