51.44% is the change from 208 to 315
Calculation steps:
[( 315 - 208 ) ÷ 208] x 100 = 51.44%
Formula
Percentage change = [(315 - 208) / 208] x 100
Subtract the new number by the original number
315 - 208 = 107
107 ÷ 208 = 0.5144230769230769
0.5144230769230769 x 100 = 51.44%