225.3% is the change from 166 to 540
Calculation steps:
[( 540 - 166 ) ÷ 166] x 100 = 225.3%
Formula
Percentage change = [(540 - 166) / 166] x 100
Subtract the new number by the original number
540 - 166 = 374
374 ÷ 166 = 2.253012048192771
2.253012048192771 x 100 = 225.3%