303.51% is the change from 171 to 690
Calculation steps:
[( 690 - 171 ) ÷ 171] x 100 = 303.51%
Formula
Percentage change = [(690 - 171) / 171] x 100
Subtract the new number by the original number
690 - 171 = 519
519 ÷ 171 = 3.0350877192982457
3.0350877192982457 x 100 = 303.51%