209.41% is the change from 170 to 526
Calculation steps:
[( 526 - 170 ) ÷ 170] x 100 = 209.41%
Formula
Percentage change = [(526 - 170) / 170] x 100
Subtract the new number by the original number
526 - 170 = 356
356 ÷ 170 = 2.0941176470588236
2.0941176470588236 x 100 = 209.41%