-66.62% is the change from 656 to 219
Calculation steps:
[( 219 - 656 ) ÷ 656] x 100 = -66.62%
Formula
Percentage change = [(219 - 656) / 656] x 100
Subtract the new number by the original number
219 - 656 = -437
-437 ÷ 656 = -0.6661585365853658
-0.6661585365853658 x 100 = -66.62%