-26.9% is the change from 881 to 644
Calculation steps:
[( 644 - 881 ) ÷ 881] x 100 = -26.9%
Formula
Percentage change = [(644 - 881) / 881] x 100
Subtract the new number by the original number
644 - 881 = -237
-237 ÷ 881 = -0.2690124858115778
-0.2690124858115778 x 100 = -26.9%