-18.94% is the change from 945 to 766
Calculation steps:
[( 766 - 945 ) ÷ 945] x 100 = -18.94%
Formula
Percentage change = [(766 - 945) / 945] x 100
Subtract the new number by the original number
766 - 945 = -179
-179 ÷ 945 = -0.18941798941798943
-0.18941798941798943 x 100 = -18.94%