218.03% is the change from 305 to 970
Calculation steps:
[( 970 - 305 ) ÷ 305] x 100 = 218.03%
Formula
Percentage change = [(970 - 305) / 305] x 100
Subtract the new number by the original number
970 - 305 = 665
665 ÷ 305 = 2.180327868852459
2.180327868852459 x 100 = 218.03%