-62.36% is the change from 263 to 99
Calculation steps:
[( 99 - 263 ) ÷ 263] x 100 = -62.36%
Formula
Percentage change = [(99 - 263) / 263] x 100
Subtract the new number by the original number
99 - 263 = -164
-164 ÷ 263 = -0.623574144486692
-0.623574144486692 x 100 = -62.36%