31.84% is the change from 380 to 501
Calculation steps:
[( 501 - 380 ) ÷ 380] x 100 = 31.84%
Formula
Percentage change = [(501 - 380) / 380] x 100
Subtract the new number by the original number
501 - 380 = 121
121 ÷ 380 = 0.31842105263157894
0.31842105263157894 x 100 = 31.84%