97.72% is the change from 263 to 520
Calculation steps:
[( 520 - 263 ) ÷ 263] x 100 = 97.72%
Formula
Percentage change = [(520 - 263) / 263] x 100
Subtract the new number by the original number
520 - 263 = 257
257 ÷ 263 = 0.9771863117870723
0.9771863117870723 x 100 = 97.72%