-86.03% is the change from 938 to 131
Calculation steps:
[( 131 - 938 ) ÷ 938] x 100 = -86.03%
Formula
Percentage change = [(131 - 938) / 938] x 100
Subtract the new number by the original number
131 - 938 = -807
-807 ÷ 938 = -0.8603411513859275
-0.8603411513859275 x 100 = -86.03%