-70.74% is the change from 663 to 194
Calculation steps:
[( 194 - 663 ) ÷ 663] x 100 = -70.74%
Formula
Percentage change = [(194 - 663) / 663] x 100
Subtract the new number by the original number
194 - 663 = -469
-469 ÷ 663 = -0.7073906485671192
-0.7073906485671192 x 100 = -70.74%