-17.62% is the change from 766 to 631
Calculation steps:
[( 631 - 766 ) ÷ 766] x 100 = -17.62%
Formula
Percentage change = [(631 - 766) / 766] x 100
Subtract the new number by the original number
631 - 766 = -135
-135 ÷ 766 = -0.1762402088772846
-0.1762402088772846 x 100 = -17.62%