-66.52% is the change from 663 to 222
Calculation steps:
[( 222 - 663 ) ÷ 663] x 100 = -66.52%
Formula
Percentage change = [(222 - 663) / 663] x 100
Subtract the new number by the original number
222 - 663 = -441
-441 ÷ 663 = -0.665158371040724
-0.665158371040724 x 100 = -66.52%