-87.63% is the change from 930 to 115
Calculation steps:
[( 115 - 930 ) ÷ 930] x 100 = -87.63%
Formula
Percentage change = [(115 - 930) / 930] x 100
Subtract the new number by the original number
115 - 930 = -815
-815 ÷ 930 = -0.8763440860215054
-0.8763440860215054 x 100 = -87.63%