-85.59% is the change from 458 to 66
Calculation steps:
[( 66 - 458 ) ÷ 458] x 100 = -85.59%
Formula
Percentage change = [(66 - 458) / 458] x 100
Subtract the new number by the original number
66 - 458 = -392
-392 ÷ 458 = -0.8558951965065502
-0.8558951965065502 x 100 = -85.59%