27.11% is the change from 402 to 511
Calculation steps:
[( 511 - 402 ) ÷ 402] x 100 = 27.11%
Formula
Percentage change = [(511 - 402) / 402] x 100
Subtract the new number by the original number
511 - 402 = 109
109 ÷ 402 = 0.27114427860696516
0.27114427860696516 x 100 = 27.11%