233.13% is the change from 166 to 553
Calculation steps:
[( 553 - 166 ) ÷ 166] x 100 = 233.13%
Formula
Percentage change = [(553 - 166) / 166] x 100
Subtract the new number by the original number
553 - 166 = 387
387 ÷ 166 = 2.3313253012048194
2.3313253012048194 x 100 = 233.13%