229.27% is the change from 287 to 945
Calculation steps:
[( 945 - 287 ) ÷ 287] x 100 = 229.27%
Formula
Percentage change = [(945 - 287) / 287] x 100
Subtract the new number by the original number
945 - 287 = 658
658 ÷ 287 = 2.292682926829268
2.292682926829268 x 100 = 229.27%