251.1% is the change from 182 to 639
Calculation steps:
[( 639 - 182 ) ÷ 182] x 100 = 251.1%
Formula
Percentage change = [(639 - 182) / 182] x 100
Subtract the new number by the original number
639 - 182 = 457
457 ÷ 182 = 2.510989010989011
2.510989010989011 x 100 = 251.1%