64.3% is the change from 507 to 833
Calculation steps:
[( 833 - 507 ) ÷ 507] x 100 = 64.3%
Formula
Percentage change = [(833 - 507) / 507] x 100
Subtract the new number by the original number
833 - 507 = 326
326 ÷ 507 = 0.6429980276134122
0.6429980276134122 x 100 = 64.3%