-45.45% is the change from 660 to 360
Calculation steps:
[( 360 - 660 ) ÷ 660] x 100 = -45.45%
Formula
Percentage change = [(360 - 660) / 660] x 100
Subtract the new number by the original number
360 - 660 = -300
-300 ÷ 660 = -0.45454545454545453
-0.45454545454545453 x 100 = -45.45%