-21.75% is the change from 984 to 770
Calculation steps:
[( 770 - 984 ) ÷ 984] x 100 = -21.75%
Formula
Percentage change = [(770 - 984) / 984] x 100
Subtract the new number by the original number
770 - 984 = -214
-214 ÷ 984 = -0.21747967479674796
-0.21747967479674796 x 100 = -21.75%