-21.31% is the change from 976 to 768
Calculation steps:
[( 768 - 976 ) ÷ 976] x 100 = -21.31%
Formula
Percentage change = [(768 - 976) / 976] x 100
Subtract the new number by the original number
768 - 976 = -208
-208 ÷ 976 = -0.21311475409836064
-0.21311475409836064 x 100 = -21.31%