270% is the change from 170 to 629
Calculation steps:
[( 629 - 170 ) ÷ 170] x 100 = 270%
Formula
Percentage change = [(629 - 170) / 170] x 100
Subtract the new number by the original number
629 - 170 = 459
459 ÷ 170 = 2.7
2.7 x 100 = 270%
Example