-69.81% is the change from 669 to 202
Calculation steps:
[( 202 - 669 ) ÷ 669] x 100 = -69.81%
Formula
Percentage change = [(202 - 669) / 669] x 100
Subtract the new number by the original number
202 - 669 = -467
-467 ÷ 669 = -0.6980568011958147
-0.6980568011958147 x 100 = -69.81%