209.77% is the change from 307 to 951
Calculation steps:
[( 951 - 307 ) ÷ 307] x 100 = 209.77%
Formula
Percentage change = [(951 - 307) / 307] x 100
Subtract the new number by the original number
951 - 307 = 644
644 ÷ 307 = 2.0977198697068404
2.0977198697068404 x 100 = 209.77%