-26.86% is the change from 845 to 618
Calculation steps:
[( 618 - 845 ) ÷ 845] x 100 = -26.86%
Formula
Percentage change = [(618 - 845) / 845] x 100
Subtract the new number by the original number
618 - 845 = -227
-227 ÷ 845 = -0.2686390532544379
-0.2686390532544379 x 100 = -26.86%