158.68% is the change from 317 to 820
Calculation steps:
[( 820 - 317 ) ÷ 317] x 100 = 158.68%
Formula
Percentage change = [(820 - 317) / 317] x 100
Subtract the new number by the original number
820 - 317 = 503
503 ÷ 317 = 1.586750788643533
1.586750788643533 x 100 = 158.68%