86.14% is the change from 303 to 564
Calculation steps:
[( 564 - 303 ) ÷ 303] x 100 = 86.14%
Formula
Percentage change = [(564 - 303) / 303] x 100
Subtract the new number by the original number
564 - 303 = 261
261 ÷ 303 = 0.8613861386138614
0.8613861386138614 x 100 = 86.14%