312.02% is the change from 208 to 857
Calculation steps:
[( 857 - 208 ) ÷ 208] x 100 = 312.02%
Formula
Percentage change = [(857 - 208) / 208] x 100
Subtract the new number by the original number
857 - 208 = 649
649 ÷ 208 = 3.1201923076923075
3.1201923076923075 x 100 = 312.02%