64.36% is the change from 550 to 904
Calculation steps:
[( 904 - 550 ) ÷ 550] x 100 = 64.36%
Formula
Percentage change = [(904 - 550) / 550] x 100
Subtract the new number by the original number
904 - 550 = 354
354 ÷ 550 = 0.6436363636363637
0.6436363636363637 x 100 = 64.36%