-14.9% is the change from 906 to 771
Calculation steps:
[( 771 - 906 ) ÷ 906] x 100 = -14.9%
Formula
Percentage change = [(771 - 906) / 906] x 100
Subtract the new number by the original number
771 - 906 = -135
-135 ÷ 906 = -0.1490066225165563
-0.1490066225165563 x 100 = -14.9%