-85.09% is the change from 456 to 68
Calculation steps:
[( 68 - 456 ) ÷ 456] x 100 = -85.09%
Formula
Percentage change = [(68 - 456) / 456] x 100
Subtract the new number by the original number
68 - 456 = -388
-388 ÷ 456 = -0.8508771929824561
-0.8508771929824561 x 100 = -85.09%