49.74% is the change from 378 to 566
Calculation steps:
[( 566 - 378 ) ÷ 378] x 100 = 49.74%
Formula
Percentage change = [(566 - 378) / 378] x 100
Subtract the new number by the original number
566 - 378 = 188
188 ÷ 378 = 0.4973544973544973
0.4973544973544973 x 100 = 49.74%