-30.64% is the change from 891 to 618
Calculation steps:
[( 618 - 891 ) ÷ 891] x 100 = -30.64%
Formula
Percentage change = [(618 - 891) / 891] x 100
Subtract the new number by the original number
618 - 891 = -273
-273 ÷ 891 = -0.3063973063973064
-0.3063973063973064 x 100 = -30.64%