-66.37% is the change from 666 to 224
Calculation steps:
[( 224 - 666 ) ÷ 666] x 100 = -66.37%
Formula
Percentage change = [(224 - 666) / 666] x 100
Subtract the new number by the original number
224 - 666 = -442
-442 ÷ 666 = -0.6636636636636637
-0.6636636636636637 x 100 = -66.37%