20.86% is the change from 561 to 678
Calculation steps:
[( 678 - 561 ) ÷ 561] x 100 = 20.86%
Formula
Percentage change = [(678 - 561) / 561] x 100
Subtract the new number by the original number
678 - 561 = 117
117 ÷ 561 = 0.20855614973262032
0.20855614973262032 x 100 = 20.86%