157.14% is the change from 210 to 540
Calculation steps:
[( 540 - 210 ) ÷ 210] x 100 = 157.14%
Formula
Percentage change = [(540 - 210) / 210] x 100
Subtract the new number by the original number
540 - 210 = 330
330 ÷ 210 = 1.5714285714285714
1.5714285714285714 x 100 = 157.14%