20% is the change from 545 to 654
Calculation steps:
[( 654 - 545 ) ÷ 545] x 100 = 20%
Formula
Percentage change = [(654 - 545) / 545] x 100
Subtract the new number by the original number
654 - 545 = 109
109 ÷ 545 = 0.2
0.2 x 100 = 20%
Example