64.42% is the change from 312 to 513
Calculation steps:
[( 513 - 312 ) ÷ 312] x 100 = 64.42%
Formula
Percentage change = [(513 - 312) / 312] x 100
Subtract the new number by the original number
513 - 312 = 201
201 ÷ 312 = 0.6442307692307693
0.6442307692307693 x 100 = 64.42%