230.3% is the change from 165 to 545
Calculation steps:
[( 545 - 165 ) ÷ 165] x 100 = 230.3%
Formula
Percentage change = [(545 - 165) / 165] x 100
Subtract the new number by the original number
545 - 165 = 380
380 ÷ 165 = 2.303030303030303
2.303030303030303 x 100 = 230.3%