-82.68% is the change from 837 to 145
Calculation steps:
[( 145 - 837 ) ÷ 837] x 100 = -82.68%
Formula
Percentage change = [(145 - 837) / 837] x 100
Subtract the new number by the original number
145 - 837 = -692
-692 ÷ 837 = -0.8267622461170848
-0.8267622461170848 x 100 = -82.68%