-99.62% is the change from 263 to 1
Calculation steps:
[( 1 - 263 ) ÷ 263] x 100 = -99.62%
Formula
Percentage change = [(1 - 263) / 263] x 100
Subtract the new number by the original number
1 - 263 = -262
-262 ÷ 263 = -0.9961977186311787
-0.9961977186311787 x 100 = -99.62%