44.74% is the change from 380 to 550
Calculation steps:
[( 550 - 380 ) ÷ 380] x 100 = 44.74%
Formula
Percentage change = [(550 - 380) / 380] x 100
Subtract the new number by the original number
550 - 380 = 170
170 ÷ 380 = 0.4473684210526316
0.4473684210526316 x 100 = 44.74%