255.86% is the change from 145 to 516
Calculation steps:
[( 516 - 145 ) ÷ 145] x 100 = 255.86%
Formula
Percentage change = [(516 - 145) / 145] x 100
Subtract the new number by the original number
516 - 145 = 371
371 ÷ 145 = 2.5586206896551724
2.5586206896551724 x 100 = 255.86%