-84.56% is the change from 667 to 103
Calculation steps:
[( 103 - 667 ) ÷ 667] x 100 = -84.56%
Formula
Percentage change = [(103 - 667) / 667] x 100
Subtract the new number by the original number
103 - 667 = -564
-564 ÷ 667 = -0.8455772113943029
-0.8455772113943029 x 100 = -84.56%