-81.51% is the change from 784 to 145
Calculation steps:
[( 145 - 784 ) ÷ 784] x 100 = -81.51%
Formula
Percentage change = [(145 - 784) / 784] x 100
Subtract the new number by the original number
145 - 784 = -639
-639 ÷ 784 = -0.8150510204081632
-0.8150510204081632 x 100 = -81.51%