-26.24% is the change from 850 to 627
Calculation steps:
[( 627 - 850 ) ÷ 850] x 100 = -26.24%
Formula
Percentage change = [(627 - 850) / 850] x 100
Subtract the new number by the original number
627 - 850 = -223
-223 ÷ 850 = -0.26235294117647057
-0.26235294117647057 x 100 = -26.24%