66.93% is the change from 378 to 631
Calculation steps:
[( 631 - 378 ) ÷ 378] x 100 = 66.93%
Formula
Percentage change = [(631 - 378) / 378] x 100
Subtract the new number by the original number
631 - 378 = 253
253 ÷ 378 = 0.6693121693121693
0.6693121693121693 x 100 = 66.93%