-62.97% is the change from 667 to 247
Calculation steps:
[( 247 - 667 ) ÷ 667] x 100 = -62.97%
Formula
Percentage change = [(247 - 667) / 667] x 100
Subtract the new number by the original number
247 - 667 = -420
-420 ÷ 667 = -0.6296851574212894
-0.6296851574212894 x 100 = -62.97%