-45.41% is the change from 850 to 464
Calculation steps:
[( 464 - 850 ) ÷ 850] x 100 = -45.41%
Formula
Percentage change = [(464 - 850) / 850] x 100
Subtract the new number by the original number
464 - 850 = -386
-386 ÷ 850 = -0.4541176470588235
-0.4541176470588235 x 100 = -45.41%