45% is the change from 380 to 551
Calculation steps:
[( 551 - 380 ) ÷ 380] x 100 = 45%
Formula
Percentage change = [(551 - 380) / 380] x 100
Subtract the new number by the original number
551 - 380 = 171
171 ÷ 380 = 0.45
0.45 x 100 = 45%
Example