-30.15% is the change from 660 to 461
Calculation steps:
[( 461 - 660 ) ÷ 660] x 100 = -30.15%
Formula
Percentage change = [(461 - 660) / 660] x 100
Subtract the new number by the original number
461 - 660 = -199
-199 ÷ 660 = -0.3015151515151515
-0.3015151515151515 x 100 = -30.15%