60.31% is the change from 320 to 513
Calculation steps:
[( 513 - 320 ) ÷ 320] x 100 = 60.31%
Formula
Percentage change = [(513 - 320) / 320] x 100
Subtract the new number by the original number
513 - 320 = 193
193 ÷ 320 = 0.603125
0.603125 x 100 = 60.31%