84.92% is the change from 305 to 564
Calculation steps:
[( 564 - 305 ) ÷ 305] x 100 = 84.92%
Formula
Percentage change = [(564 - 305) / 305] x 100
Subtract the new number by the original number
564 - 305 = 259
259 ÷ 305 = 0.8491803278688524
0.8491803278688524 x 100 = 84.92%