224.7% is the change from 166 to 539
Calculation steps:
[( 539 - 166 ) ÷ 166] x 100 = 224.7%
Formula
Percentage change = [(539 - 166) / 166] x 100
Subtract the new number by the original number
539 - 166 = 373
373 ÷ 166 = 2.246987951807229
2.246987951807229 x 100 = 224.7%