252.38% is the change from 210 to 740
Calculation steps:
[( 740 - 210 ) ÷ 210] x 100 = 252.38%
Formula
Percentage change = [(740 - 210) / 210] x 100
Subtract the new number by the original number
740 - 210 = 530
530 ÷ 210 = 2.5238095238095237
2.5238095238095237 x 100 = 252.38%