-87.09% is the change from 937 to 121
Calculation steps:
[( 121 - 937 ) ÷ 937] x 100 = -87.09%
Formula
Percentage change = [(121 - 937) / 937] x 100
Subtract the new number by the original number
121 - 937 = -816
-816 ÷ 937 = -0.8708644610458911
-0.8708644610458911 x 100 = -87.09%