105.93% is the change from 253 to 521
Calculation steps:
[( 521 - 253 ) ÷ 253] x 100 = 105.93%
Formula
Percentage change = [(521 - 253) / 253] x 100
Subtract the new number by the original number
521 - 253 = 268
268 ÷ 253 = 1.0592885375494072
1.0592885375494072 x 100 = 105.93%