-67.32% is the change from 667 to 218
Calculation steps:
[( 218 - 667 ) ÷ 667] x 100 = -67.32%
Formula
Percentage change = [(218 - 667) / 667] x 100
Subtract the new number by the original number
218 - 667 = -449
-449 ÷ 667 = -0.6731634182908546
-0.6731634182908546 x 100 = -67.32%