-94.27% is the change from 157 to 9
Calculation steps:
[( 9 - 157 ) ÷ 157] x 100 = -94.27%
Formula
Percentage change = [(9 - 157) / 157] x 100
Subtract the new number by the original number
9 - 157 = -148
-148 ÷ 157 = -0.9426751592356688
-0.9426751592356688 x 100 = -94.27%