-81.65% is the change from 790 to 145
Calculation steps:
[( 145 - 790 ) ÷ 790] x 100 = -81.65%
Formula
Percentage change = [(145 - 790) / 790] x 100
Subtract the new number by the original number
145 - 790 = -645
-645 ÷ 790 = -0.8164556962025317
-0.8164556962025317 x 100 = -81.65%