60% is the change from 210 to 336
Calculation steps:
[( 336 - 210 ) ÷ 210] x 100 = 60%
Formula
Percentage change = [(336 - 210) / 210] x 100
Subtract the new number by the original number
336 - 210 = 126
126 ÷ 210 = 0.6
0.6 x 100 = 60%
Example