-89.17% is the change from 157 to 17
Calculation steps:
[( 17 - 157 ) ÷ 157] x 100 = -89.17%
Formula
Percentage change = [(17 - 157) / 157] x 100
Subtract the new number by the original number
17 - 157 = -140
-140 ÷ 157 = -0.89171974522293
-0.89171974522293 x 100 = -89.17%