85.53% is the change from 304 to 564
Calculation steps:
[( 564 - 304 ) ÷ 304] x 100 = 85.53%
Formula
Percentage change = [(564 - 304) / 304] x 100
Subtract the new number by the original number
564 - 304 = 260
260 ÷ 304 = 0.8552631578947368
0.8552631578947368 x 100 = 85.53%