-65.4% is the change from 263 to 91
Calculation steps:
[( 91 - 263 ) ÷ 263] x 100 = -65.4%
Formula
Percentage change = [(91 - 263) / 263] x 100
Subtract the new number by the original number
91 - 263 = -172
-172 ÷ 263 = -0.6539923954372624
-0.6539923954372624 x 100 = -65.4%