61.46% is the change from 506 to 817
Calculation steps:
[( 817 - 506 ) ÷ 506] x 100 = 61.46%
Formula
Percentage change = [(817 - 506) / 506] x 100
Subtract the new number by the original number
817 - 506 = 311
311 ÷ 506 = 0.6146245059288538
0.6146245059288538 x 100 = 61.46%