19.74% is the change from 380 to 455
Calculation steps:
[( 455 - 380 ) ÷ 380] x 100 = 19.74%
Formula
Percentage change = [(455 - 380) / 380] x 100
Subtract the new number by the original number
455 - 380 = 75
75 ÷ 380 = 0.19736842105263158
0.19736842105263158 x 100 = 19.74%