-96.7% is the change from 667 to 22
Calculation steps:
[( 22 - 667 ) ÷ 667] x 100 = -96.7%
Formula
Percentage change = [(22 - 667) / 667] x 100
Subtract the new number by the original number
22 - 667 = -645
-645 ÷ 667 = -0.967016491754123
-0.967016491754123 x 100 = -96.7%