215.48% is the change from 155 to 489
Calculation steps:
[( 489 - 155 ) ÷ 155] x 100 = 215.48%
Formula
Percentage change = [(489 - 155) / 155] x 100
Subtract the new number by the original number
489 - 155 = 334
334 ÷ 155 = 2.1548387096774193
2.1548387096774193 x 100 = 215.48%