115.28% is the change from 288 to 620
Calculation steps:
[( 620 - 288 ) ÷ 288] x 100 = 115.28%
Formula
Percentage change = [(620 - 288) / 288] x 100
Subtract the new number by the original number
620 - 288 = 332
332 ÷ 288 = 1.1527777777777777
1.1527777777777777 x 100 = 115.28%