-94.11% is the change from 815 to 48
Calculation steps:
[( 48 - 815 ) ÷ 815] x 100 = -94.11%
Formula
Percentage change = [(48 - 815) / 815] x 100
Subtract the new number by the original number
48 - 815 = -767
-767 ÷ 815 = -0.9411042944785276
-0.9411042944785276 x 100 = -94.11%