259.64% is the change from 166 to 597
Calculation steps:
[( 597 - 166 ) ÷ 166] x 100 = 259.64%
Formula
Percentage change = [(597 - 166) / 166] x 100
Subtract the new number by the original number
597 - 166 = 431
431 ÷ 166 = 2.5963855421686746
2.5963855421686746 x 100 = 259.64%