128.57% is the change from 210 to 480
Calculation steps:
[( 480 - 210 ) ÷ 210] x 100 = 128.57%
Formula
Percentage change = [(480 - 210) / 210] x 100
Subtract the new number by the original number
480 - 210 = 270
270 ÷ 210 = 1.2857142857142858
1.2857142857142858 x 100 = 128.57%