-87.74% is the change from 938 to 115
Calculation steps:
[( 115 - 938 ) ÷ 938] x 100 = -87.74%
Formula
Percentage change = [(115 - 938) / 938] x 100
Subtract the new number by the original number
115 - 938 = -823
-823 ÷ 938 = -0.8773987206823027
-0.8773987206823027 x 100 = -87.74%