-47% is the change from 866 to 459
Calculation steps:
[( 459 - 866 ) ÷ 866] x 100 = -47%
Formula
Percentage change = [(459 - 866) / 866] x 100
Subtract the new number by the original number
459 - 866 = -407
-407 ÷ 866 = -0.46997690531177827
-0.46997690531177827 x 100 = -47%