-28.47% is the change from 850 to 608
Calculation steps:
[( 608 - 850 ) ÷ 850] x 100 = -28.47%
Formula
Percentage change = [(608 - 850) / 850] x 100
Subtract the new number by the original number
608 - 850 = -242
-242 ÷ 850 = -0.2847058823529412
-0.2847058823529412 x 100 = -28.47%