-47.23% is the change from 847 to 447
Calculation steps:
[( 447 - 847 ) ÷ 847] x 100 = -47.23%
Formula
Percentage change = [(447 - 847) / 847] x 100
Subtract the new number by the original number
447 - 847 = -400
-400 ÷ 847 = -0.4722550177095632
-0.4722550177095632 x 100 = -47.23%