52.4% is the change from 208 to 317
Calculation steps:
[( 317 - 208 ) ÷ 208] x 100 = 52.4%
Formula
Percentage change = [(317 - 208) / 208] x 100
Subtract the new number by the original number
317 - 208 = 109
109 ÷ 208 = 0.5240384615384616
0.5240384615384616 x 100 = 52.4%