-7.11% is the change from 985 to 915
Calculation steps:
[( 915 - 985 ) ÷ 985] x 100 = -7.11%
Formula
Percentage change = [(915 - 985) / 985] x 100
Subtract the new number by the original number
915 - 985 = -70
-70 ÷ 985 = -0.07106598984771574
-0.07106598984771574 x 100 = -7.11%