-45% is the change from 80 to 44
Calculation steps:
[( 44 - 80 ) ÷ 80] x 100 = -45%
Formula
Percentage change = [(44 - 80) / 80] x 100
Subtract the new number by the original number
44 - 80 = -36
-36 ÷ 80 = -0.45
-0.45 x 100 = -45%
Example