172.64% is the change from 307 to 837
Calculation steps:
[( 837 - 307 ) ÷ 307] x 100 = 172.64%
Formula
Percentage change = [(837 - 307) / 307] x 100
Subtract the new number by the original number
837 - 307 = 530
530 ÷ 307 = 1.726384364820847
1.726384364820847 x 100 = 172.64%