-16.74% is the change from 920 to 766
Calculation steps:
[( 766 - 920 ) ÷ 920] x 100 = -16.74%
Formula
Percentage change = [(766 - 920) / 920] x 100
Subtract the new number by the original number
766 - 920 = -154
-154 ÷ 920 = -0.1673913043478261
-0.1673913043478261 x 100 = -16.74%