3103.33% is the change from 30 to 961
Calculation steps:
[( 961 - 30 ) ÷ 30] x 100 = 3103.33%
Formula
Percentage change = [(961 - 30) / 30] x 100
Subtract the new number by the original number
961 - 30 = 931
931 ÷ 30 = 31.033333333333335
31.033333333333335 x 100 = 3103.33%