103.98% is the change from 251 to 512
Calculation steps:
[( 512 - 251 ) ÷ 251] x 100 = 103.98%
Formula
Percentage change = [(512 - 251) / 251] x 100
Subtract the new number by the original number
512 - 251 = 261
261 ÷ 251 = 1.0398406374501992
1.0398406374501992 x 100 = 103.98%