36.84% is the change from 380 to 520
Calculation steps:
[( 520 - 380 ) ÷ 380] x 100 = 36.84%
Formula
Percentage change = [(520 - 380) / 380] x 100
Subtract the new number by the original number
520 - 380 = 140
140 ÷ 380 = 0.3684210526315789
0.3684210526315789 x 100 = 36.84%