-35.53% is the change from 850 to 548
Calculation steps:
[( 548 - 850 ) ÷ 850] x 100 = -35.53%
Formula
Percentage change = [(548 - 850) / 850] x 100
Subtract the new number by the original number
548 - 850 = -302
-302 ÷ 850 = -0.3552941176470588
-0.3552941176470588 x 100 = -35.53%