90.97% is the change from 288 to 550
Calculation steps:
[( 550 - 288 ) ÷ 288] x 100 = 90.97%
Formula
Percentage change = [(550 - 288) / 288] x 100
Subtract the new number by the original number
550 - 288 = 262
262 ÷ 288 = 0.9097222222222222
0.9097222222222222 x 100 = 90.97%