-64.02% is the change from 667 to 240
Calculation steps:
[( 240 - 667 ) ÷ 667] x 100 = -64.02%
Formula
Percentage change = [(240 - 667) / 667] x 100
Subtract the new number by the original number
240 - 667 = -427
-427 ÷ 667 = -0.6401799100449775
-0.6401799100449775 x 100 = -64.02%