-16.33% is the change from 790 to 661
Calculation steps:
[( 661 - 790 ) ÷ 790] x 100 = -16.33%
Formula
Percentage change = [(661 - 790) / 790] x 100
Subtract the new number by the original number
661 - 790 = -129
-129 ÷ 790 = -0.16329113924050634
-0.16329113924050634 x 100 = -16.33%