510.71% is the change from 28 to 171
Calculation steps:
[( 171 - 28 ) ÷ 28] x 100 = 510.71%
Formula
Percentage change = [(171 - 28) / 28] x 100
Subtract the new number by the original number
171 - 28 = 143
143 ÷ 28 = 5.107142857142857
5.107142857142857 x 100 = 510.71%