-81.94% is the change from 803 to 145
Calculation steps:
[( 145 - 803 ) ÷ 803] x 100 = -81.94%
Formula
Percentage change = [(145 - 803) / 803] x 100
Subtract the new number by the original number
145 - 803 = -658
-658 ÷ 803 = -0.8194271481942715
-0.8194271481942715 x 100 = -81.94%