46.19% is the change from 210 to 307
Calculation steps:
[( 307 - 210 ) ÷ 210] x 100 = 46.19%
Formula
Percentage change = [(307 - 210) / 210] x 100
Subtract the new number by the original number
307 - 210 = 97
97 ÷ 210 = 0.46190476190476193
0.46190476190476193 x 100 = 46.19%