66.27% is the change from 507 to 843
Calculation steps:
[( 843 - 507 ) ÷ 507] x 100 = 66.27%
Formula
Percentage change = [(843 - 507) / 507] x 100
Subtract the new number by the original number
843 - 507 = 336
336 ÷ 507 = 0.6627218934911243
0.6627218934911243 x 100 = 66.27%