34.74% is the change from 380 to 512
Calculation steps:
[( 512 - 380 ) ÷ 380] x 100 = 34.74%
Formula
Percentage change = [(512 - 380) / 380] x 100
Subtract the new number by the original number
512 - 380 = 132
132 ÷ 380 = 0.3473684210526316
0.3473684210526316 x 100 = 34.74%