35.32% is the change from 385 to 521
Calculation steps:
[( 521 - 385 ) ÷ 385] x 100 = 35.32%
Formula
Percentage change = [(521 - 385) / 385] x 100
Subtract the new number by the original number
521 - 385 = 136
136 ÷ 385 = 0.35324675324675325
0.35324675324675325 x 100 = 35.32%