-69.36% is the change from 669 to 205
Calculation steps:
[( 205 - 669 ) ÷ 669] x 100 = -69.36%
Formula
Percentage change = [(205 - 669) / 669] x 100
Subtract the new number by the original number
205 - 669 = -464
-464 ÷ 669 = -0.6935724962630793
-0.6935724962630793 x 100 = -69.36%