64.95% is the change from 311 to 513
Calculation steps:
[( 513 - 311 ) ÷ 311] x 100 = 64.95%
Formula
Percentage change = [(513 - 311) / 311] x 100
Subtract the new number by the original number
513 - 311 = 202
202 ÷ 311 = 0.6495176848874598
0.6495176848874598 x 100 = 64.95%