20.16% is the change from 511 to 614
Calculation steps:
[( 614 - 511 ) ÷ 511] x 100 = 20.16%
Formula
Percentage change = [(614 - 511) / 511] x 100
Subtract the new number by the original number
614 - 511 = 103
103 ÷ 511 = 0.20156555772994128
0.20156555772994128 x 100 = 20.16%