3133.33% is the change from 30 to 970
Calculation steps:
[( 970 - 30 ) ÷ 30] x 100 = 3133.33%
Formula
Percentage change = [(970 - 30) / 30] x 100
Subtract the new number by the original number
970 - 30 = 940
940 ÷ 30 = 31.333333333333332
31.333333333333332 x 100 = 3133.33%