3788.24% is the change from 17 to 661
Calculation steps:
[( 661 - 17 ) ÷ 17] x 100 = 3788.24%
Formula
Percentage change = [(661 - 17) / 17] x 100
Subtract the new number by the original number
661 - 17 = 644
644 ÷ 17 = 37.88235294117647
37.88235294117647 x 100 = 3788.24%