42.73% is the change from 550 to 785
Calculation steps:
[( 785 - 550 ) ÷ 550] x 100 = 42.73%
Formula
Percentage change = [(785 - 550) / 550] x 100
Subtract the new number by the original number
785 - 550 = 235
235 ÷ 550 = 0.42727272727272725
0.42727272727272725 x 100 = 42.73%