-58.12% is the change from 850 to 356
Calculation steps:
[( 356 - 850 ) ÷ 850] x 100 = -58.12%
Formula
Percentage change = [(356 - 850) / 850] x 100
Subtract the new number by the original number
356 - 850 = -494
-494 ÷ 850 = -0.5811764705882353
-0.5811764705882353 x 100 = -58.12%