34.88% is the change from 387 to 522
Calculation steps:
[( 522 - 387 ) ÷ 387] x 100 = 34.88%
Formula
Percentage change = [(522 - 387) / 387] x 100
Subtract the new number by the original number
522 - 387 = 135
135 ÷ 387 = 0.3488372093023256
0.3488372093023256 x 100 = 34.88%