-71.34% is the change from 663 to 190
Calculation steps:
[( 190 - 663 ) ÷ 663] x 100 = -71.34%
Formula
Percentage change = [(190 - 663) / 663] x 100
Subtract the new number by the original number
190 - 663 = -473
-473 ÷ 663 = -0.7134238310708899
-0.7134238310708899 x 100 = -71.34%