-7.04% is the change from 284 to 264
Calculation steps:
[( 264 - 284 ) ÷ 284] x 100 = -7.04%
Formula
Percentage change = [(264 - 284) / 284] x 100
Subtract the new number by the original number
264 - 284 = -20
-20 ÷ 284 = -0.07042253521126761
-0.07042253521126761 x 100 = -7.04%