97.54% is the change from 284 to 561
Calculation steps:
[( 561 - 284 ) ÷ 284] x 100 = 97.54%
Formula
Percentage change = [(561 - 284) / 284] x 100
Subtract the new number by the original number
561 - 284 = 277
277 ÷ 284 = 0.9753521126760564
0.9753521126760564 x 100 = 97.54%