-63.12% is the change from 667 to 246
Calculation steps:
[( 246 - 667 ) ÷ 667] x 100 = -63.12%
Formula
Percentage change = [(246 - 667) / 667] x 100
Subtract the new number by the original number
246 - 667 = -421
-421 ÷ 667 = -0.631184407796102
-0.631184407796102 x 100 = -63.12%