45.12% is the change from 379 to 550
Calculation steps:
[( 550 - 379 ) ÷ 379] x 100 = 45.12%
Formula
Percentage change = [(550 - 379) / 379] x 100
Subtract the new number by the original number
550 - 379 = 171
171 ÷ 379 = 0.45118733509234826
0.45118733509234826 x 100 = 45.12%