45.24% is the change from 210 to 305
Calculation steps:
[( 305 - 210 ) ÷ 210] x 100 = 45.24%
Formula
Percentage change = [(305 - 210) / 210] x 100
Subtract the new number by the original number
305 - 210 = 95
95 ÷ 210 = 0.4523809523809524
0.4523809523809524 x 100 = 45.24%