-27.88% is the change from 660 to 476
Calculation steps:
[( 476 - 660 ) ÷ 660] x 100 = -27.88%
Formula
Percentage change = [(476 - 660) / 660] x 100
Subtract the new number by the original number
476 - 660 = -184
-184 ÷ 660 = -0.2787878787878788
-0.2787878787878788 x 100 = -27.88%