302.38% is the change from 210 to 845
Calculation steps:
[( 845 - 210 ) ÷ 210] x 100 = 302.38%
Formula
Percentage change = [(845 - 210) / 210] x 100
Subtract the new number by the original number
845 - 210 = 635
635 ÷ 210 = 3.0238095238095237
3.0238095238095237 x 100 = 302.38%