49.6% is the change from 377 to 564
Calculation steps:
[( 564 - 377 ) ÷ 377] x 100 = 49.6%
Formula
Percentage change = [(564 - 377) / 377] x 100
Subtract the new number by the original number
564 - 377 = 187
187 ÷ 377 = 0.4960212201591512
0.4960212201591512 x 100 = 49.6%