2814.71% is the change from 34 to 991
Calculation steps:
[( 991 - 34 ) ÷ 34] x 100 = 2814.71%
Formula
Percentage change = [(991 - 34) / 34] x 100
Subtract the new number by the original number
991 - 34 = 957
957 ÷ 34 = 28.147058823529413
28.147058823529413 x 100 = 2814.71%