-19.87% is the change from 956 to 766
Calculation steps:
[( 766 - 956 ) ÷ 956] x 100 = -19.87%
Formula
Percentage change = [(766 - 956) / 956] x 100
Subtract the new number by the original number
766 - 956 = -190
-190 ÷ 956 = -0.19874476987447698
-0.19874476987447698 x 100 = -19.87%