67.79% is the change from 506 to 849
Calculation steps:
[( 849 - 506 ) ÷ 506] x 100 = 67.79%
Formula
Percentage change = [(849 - 506) / 506] x 100
Subtract the new number by the original number
849 - 506 = 343
343 ÷ 506 = 0.6778656126482213
0.6778656126482213 x 100 = 67.79%