211.48% is the change from 305 to 950
Calculation steps:
[( 950 - 305 ) ÷ 305] x 100 = 211.48%
Formula
Percentage change = [(950 - 305) / 305] x 100
Subtract the new number by the original number
950 - 305 = 645
645 ÷ 305 = 2.1147540983606556
2.1147540983606556 x 100 = 211.48%