-69.08% is the change from 663 to 205
Calculation steps:
[( 205 - 663 ) ÷ 663] x 100 = -69.08%
Formula
Percentage change = [(205 - 663) / 663] x 100
Subtract the new number by the original number
205 - 663 = -458
-458 ÷ 663 = -0.6907993966817496
-0.6907993966817496 x 100 = -69.08%