-78.54% is the change from 466 to 100
Calculation steps:
[( 100 - 466 ) ÷ 466] x 100 = -78.54%
Formula
Percentage change = [(100 - 466) / 466] x 100
Subtract the new number by the original number
100 - 466 = -366
-366 ÷ 466 = -0.7854077253218884
-0.7854077253218884 x 100 = -78.54%