-32.38% is the change from 661 to 447
Calculation steps:
[( 447 - 661 ) ÷ 661] x 100 = -32.38%
Formula
Percentage change = [(447 - 661) / 661] x 100
Subtract the new number by the original number
447 - 661 = -214
-214 ÷ 661 = -0.3237518910741301
-0.3237518910741301 x 100 = -32.38%