168.08% is the change from 307 to 823
Calculation steps:
[( 823 - 307 ) ÷ 307] x 100 = 168.08%
Formula
Percentage change = [(823 - 307) / 307] x 100
Subtract the new number by the original number
823 - 307 = 516
516 ÷ 307 = 1.6807817589576548
1.6807817589576548 x 100 = 168.08%