6393.33% is the change from 15 to 974
Calculation steps:
[( 974 - 15 ) ÷ 15] x 100 = 6393.33%
Formula
Percentage change = [(974 - 15) / 15] x 100
Subtract the new number by the original number
974 - 15 = 959
959 ÷ 15 = 63.93333333333333
63.93333333333333 x 100 = 6393.33%