262.57% is the change from 171 to 620
Calculation steps:
[( 620 - 171 ) ÷ 171] x 100 = 262.57%
Formula
Percentage change = [(620 - 171) / 171] x 100
Subtract the new number by the original number
620 - 171 = 449
449 ÷ 171 = 2.625730994152047
2.625730994152047 x 100 = 262.57%