210.26% is the change from 39 to 121
Calculation steps:
[( 121 - 39 ) ÷ 39] x 100 = 210.26%
Formula
Percentage change = [(121 - 39) / 39] x 100
Subtract the new number by the original number
121 - 39 = 82
82 ÷ 39 = 2.1025641025641026
2.1025641025641026 x 100 = 210.26%