-78.76% is the change from 466 to 99
Calculation steps:
[( 99 - 466 ) ÷ 466] x 100 = -78.76%
Formula
Percentage change = [(99 - 466) / 466] x 100
Subtract the new number by the original number
99 - 466 = -367
-367 ÷ 466 = -0.7875536480686696
-0.7875536480686696 x 100 = -78.76%