-69.58% is the change from 263 to 80
Calculation steps:
[( 80 - 263 ) ÷ 263] x 100 = -69.58%
Formula
Percentage change = [(80 - 263) / 263] x 100
Subtract the new number by the original number
80 - 263 = -183
-183 ÷ 263 = -0.6958174904942965
-0.6958174904942965 x 100 = -69.58%