-45.18% is the change from 850 to 466
Calculation steps:
[( 466 - 850 ) ÷ 850] x 100 = -45.18%
Formula
Percentage change = [(466 - 850) / 850] x 100
Subtract the new number by the original number
466 - 850 = -384
-384 ÷ 850 = -0.45176470588235296
-0.45176470588235296 x 100 = -45.18%