146.38% is the change from 207 to 510
Calculation steps:
[( 510 - 207 ) ÷ 207] x 100 = 146.38%
Formula
Percentage change = [(510 - 207) / 207] x 100
Subtract the new number by the original number
510 - 207 = 303
303 ÷ 207 = 1.463768115942029
1.463768115942029 x 100 = 146.38%