-33.18% is the change from 660 to 441
Calculation steps:
[( 441 - 660 ) ÷ 660] x 100 = -33.18%
Formula
Percentage change = [(441 - 660) / 660] x 100
Subtract the new number by the original number
441 - 660 = -219
-219 ÷ 660 = -0.33181818181818185
-0.33181818181818185 x 100 = -33.18%