-87.39% is the change from 912 to 115
Calculation steps:
[( 115 - 912 ) ÷ 912] x 100 = -87.39%
Formula
Percentage change = [(115 - 912) / 912] x 100
Subtract the new number by the original number
115 - 912 = -797
-797 ÷ 912 = -0.8739035087719298
-0.8739035087719298 x 100 = -87.39%