37.11% is the change from 380 to 521
Calculation steps:
[( 521 - 380 ) ÷ 380] x 100 = 37.11%
Formula
Percentage change = [(521 - 380) / 380] x 100
Subtract the new number by the original number
521 - 380 = 141
141 ÷ 380 = 0.37105263157894736
0.37105263157894736 x 100 = 37.11%