215.91% is the change from 308 to 973
Calculation steps:
[( 973 - 308 ) ÷ 308] x 100 = 215.91%
Formula
Percentage change = [(973 - 308) / 308] x 100
Subtract the new number by the original number
973 - 308 = 665
665 ÷ 308 = 2.159090909090909
2.159090909090909 x 100 = 215.91%