61.4% is the change from 513 to 828
Calculation steps:
[( 828 - 513 ) ÷ 513] x 100 = 61.4%
Formula
Percentage change = [(828 - 513) / 513] x 100
Subtract the new number by the original number
828 - 513 = 315
315 ÷ 513 = 0.6140350877192983
0.6140350877192983 x 100 = 61.4%