20.55% is the change from 545 to 657
Calculation steps:
[( 657 - 545 ) ÷ 545] x 100 = 20.55%
Formula
Percentage change = [(657 - 545) / 545] x 100
Subtract the new number by the original number
657 - 545 = 112
112 ÷ 545 = 0.20550458715596331
0.20550458715596331 x 100 = 20.55%