-69.23% is the change from 65 to 20
Calculation steps:
[( 20 - 65 ) ÷ 65] x 100 = -69.23%
Formula
Percentage change = [(20 - 65) / 65] x 100
Subtract the new number by the original number
20 - 65 = -45
-45 ÷ 65 = -0.6923076923076923
-0.6923076923076923 x 100 = -69.23%