29.46% is the change from 387 to 501
Calculation steps:
[( 501 - 387 ) ÷ 387] x 100 = 29.46%
Formula
Percentage change = [(501 - 387) / 387] x 100
Subtract the new number by the original number
501 - 387 = 114
114 ÷ 387 = 0.29457364341085274
0.29457364341085274 x 100 = 29.46%