65.42% is the change from 506 to 837
Calculation steps:
[( 837 - 506 ) ÷ 506] x 100 = 65.42%
Formula
Percentage change = [(837 - 506) / 506] x 100
Subtract the new number by the original number
837 - 506 = 331
331 ÷ 506 = 0.6541501976284585
0.6541501976284585 x 100 = 65.42%