-21.63% is the change from 980 to 768
Calculation steps:
[( 768 - 980 ) ÷ 980] x 100 = -21.63%
Formula
Percentage change = [(768 - 980) / 980] x 100
Subtract the new number by the original number
768 - 980 = -212
-212 ÷ 980 = -0.2163265306122449
-0.2163265306122449 x 100 = -21.63%