220.59% is the change from 170 to 545
Calculation steps:
[( 545 - 170 ) ÷ 170] x 100 = 220.59%
Formula
Percentage change = [(545 - 170) / 170] x 100
Subtract the new number by the original number
545 - 170 = 375
375 ÷ 170 = 2.2058823529411766
2.2058823529411766 x 100 = 220.59%