3143.33% is the change from 30 to 973
Calculation steps:
[( 973 - 30 ) ÷ 30] x 100 = 3143.33%
Formula
Percentage change = [(973 - 30) / 30] x 100
Subtract the new number by the original number
973 - 30 = 943
943 ÷ 30 = 31.433333333333334
31.433333333333334 x 100 = 3143.33%