60.15% is the change from 394 to 631
Calculation steps:
[( 631 - 394 ) ÷ 394] x 100 = 60.15%
Formula
Percentage change = [(631 - 394) / 394] x 100
Subtract the new number by the original number
631 - 394 = 237
237 ÷ 394 = 0.6015228426395939
0.6015228426395939 x 100 = 60.15%