89.8% is the change from 304 to 577
Calculation steps:
[( 577 - 304 ) ÷ 304] x 100 = 89.8%
Formula
Percentage change = [(577 - 304) / 304] x 100
Subtract the new number by the original number
577 - 304 = 273
273 ÷ 304 = 0.8980263157894737
0.8980263157894737 x 100 = 89.8%