-12.55% is the change from 972 to 850
Calculation steps:
[( 850 - 972 ) ÷ 972] x 100 = -12.55%
Formula
Percentage change = [(850 - 972) / 972] x 100
Subtract the new number by the original number
850 - 972 = -122
-122 ÷ 972 = -0.12551440329218108
-0.12551440329218108 x 100 = -12.55%