18% is the change from 561 to 662
Calculation steps:
[( 662 - 561 ) ÷ 561] x 100 = 18%
Formula
Percentage change = [(662 - 561) / 561] x 100
Subtract the new number by the original number
662 - 561 = 101
101 ÷ 561 = 0.1800356506238859
0.1800356506238859 x 100 = 18%