-44% is the change from 850 to 476
Calculation steps:
[( 476 - 850 ) ÷ 850] x 100 = -44%
Formula
Percentage change = [(476 - 850) / 850] x 100
Subtract the new number by the original number
476 - 850 = -374
-374 ÷ 850 = -0.44
-0.44 x 100 = -44%
Example