216.94% is the change from 307 to 973
Calculation steps:
[( 973 - 307 ) ÷ 307] x 100 = 216.94%
Formula
Percentage change = [(973 - 307) / 307] x 100
Subtract the new number by the original number
973 - 307 = 666
666 ÷ 307 = 2.1693811074918568
2.1693811074918568 x 100 = 216.94%