-21.95% is the change from 984 to 768
Calculation steps:
[( 768 - 984 ) ÷ 984] x 100 = -21.95%
Formula
Percentage change = [(768 - 984) / 984] x 100
Subtract the new number by the original number
768 - 984 = -216
-216 ÷ 984 = -0.21951219512195122
-0.21951219512195122 x 100 = -21.95%