65.92% is the change from 311 to 516
Calculation steps:
[( 516 - 311 ) ÷ 311] x 100 = 65.92%
Formula
Percentage change = [(516 - 311) / 311] x 100
Subtract the new number by the original number
516 - 311 = 205
205 ÷ 311 = 0.6591639871382636
0.6591639871382636 x 100 = 65.92%