-30.61% is the change from 660 to 458
Calculation steps:
[( 458 - 660 ) ÷ 660] x 100 = -30.61%
Formula
Percentage change = [(458 - 660) / 660] x 100
Subtract the new number by the original number
458 - 660 = -202
-202 ÷ 660 = -0.30606060606060603
-0.30606060606060603 x 100 = -30.61%