-31.79% is the change from 906 to 618
Calculation steps:
[( 618 - 906 ) ÷ 906] x 100 = -31.79%
Formula
Percentage change = [(618 - 906) / 906] x 100
Subtract the new number by the original number
618 - 906 = -288
-288 ÷ 906 = -0.31788079470198677
-0.31788079470198677 x 100 = -31.79%