-83.03% is the change from 937 to 159
Calculation steps:
[( 159 - 937 ) ÷ 937] x 100 = -83.03%
Formula
Percentage change = [(159 - 937) / 937] x 100
Subtract the new number by the original number
159 - 937 = -778
-778 ÷ 937 = -0.8303094983991463
-0.8303094983991463 x 100 = -83.03%