-57.76% is the change from 850 to 359
Calculation steps:
[( 359 - 850 ) ÷ 850] x 100 = -57.76%
Formula
Percentage change = [(359 - 850) / 850] x 100
Subtract the new number by the original number
359 - 850 = -491
-491 ÷ 850 = -0.5776470588235294
-0.5776470588235294 x 100 = -57.76%