-65.36% is the change from 661 to 229
Calculation steps:
[( 229 - 661 ) ÷ 661] x 100 = -65.36%
Formula
Percentage change = [(229 - 661) / 661] x 100
Subtract the new number by the original number
229 - 661 = -432
-432 ÷ 661 = -0.653555219364599
-0.653555219364599 x 100 = -65.36%
Example