-42.88% is the change from 660 to 377
Calculation steps:
[( 377 - 660 ) ÷ 660] x 100 = -42.88%
Formula
Percentage change = [(377 - 660) / 660] x 100
Subtract the new number by the original number
377 - 660 = -283
-283 ÷ 660 = -0.4287878787878788
-0.4287878787878788 x 100 = -42.88%