-15.82% is the change from 784 to 660
Calculation steps:
[( 660 - 784 ) ÷ 784] x 100 = -15.82%
Formula
Percentage change = [(660 - 784) / 784] x 100
Subtract the new number by the original number
660 - 784 = -124
-124 ÷ 784 = -0.15816326530612246
-0.15816326530612246 x 100 = -15.82%