-83.03% is the change from 837 to 142
Calculation steps:
[( 142 - 837 ) ÷ 837] x 100 = -83.03%
Formula
Percentage change = [(142 - 837) / 837] x 100
Subtract the new number by the original number
142 - 837 = -695
-695 ÷ 837 = -0.8303464755077659
-0.8303464755077659 x 100 = -83.03%