62.86% is the change from 350 to 570
Calculation steps:
[( 570 - 350 ) ÷ 350] x 100 = 62.86%
Formula
Percentage change = [(570 - 350) / 350] x 100
Subtract the new number by the original number
570 - 350 = 220
220 ÷ 350 = 0.6285714285714286
0.6285714285714286 x 100 = 62.86%