-84.04% is the change from 94 to 15
Calculation steps:
[( 15 - 94 ) ÷ 94] x 100 = -84.04%
Formula
Percentage change = [(15 - 94) / 94] x 100
Subtract the new number by the original number
15 - 94 = -79
-79 ÷ 94 = -0.8404255319148937
-0.8404255319148937 x 100 = -84.04%