21.35% is the change from 548 to 665
Calculation steps:
[( 665 - 548 ) ÷ 548] x 100 = 21.35%
Formula
Percentage change = [(665 - 548) / 548] x 100
Subtract the new number by the original number
665 - 548 = 117
117 ÷ 548 = 0.21350364963503649
0.21350364963503649 x 100 = 21.35%