216.27% is the change from 166 to 525
Calculation steps:
[( 525 - 166 ) ÷ 166] x 100 = 216.27%
Formula
Percentage change = [(525 - 166) / 166] x 100
Subtract the new number by the original number
525 - 166 = 359
359 ÷ 166 = 2.1626506024096384
2.1626506024096384 x 100 = 216.27%