-69.53% is the change from 663 to 202
Calculation steps:
[( 202 - 663 ) ÷ 663] x 100 = -69.53%
Formula
Percentage change = [(202 - 663) / 663] x 100
Subtract the new number by the original number
202 - 663 = -461
-461 ÷ 663 = -0.6953242835595776
-0.6953242835595776 x 100 = -69.53%