-63.54% is the change from 661 to 241
Calculation steps:
[( 241 - 661 ) ÷ 661] x 100 = -63.54%
Formula
Percentage change = [(241 - 661) / 661] x 100
Subtract the new number by the original number
241 - 661 = -420
-420 ÷ 661 = -0.6354009077155824
-0.6354009077155824 x 100 = -63.54%