103.17% is the change from 252 to 512
Calculation steps:
[( 512 - 252 ) ÷ 252] x 100 = 103.17%
Formula
Percentage change = [(512 - 252) / 252] x 100
Subtract the new number by the original number
512 - 252 = 260
260 ÷ 252 = 1.0317460317460319
1.0317460317460319 x 100 = 103.17%