-83.86% is the change from 973 to 157
Calculation steps:
[( 157 - 973 ) ÷ 973] x 100 = -83.86%
Formula
Percentage change = [(157 - 973) / 973] x 100
Subtract the new number by the original number
157 - 973 = -816
-816 ÷ 973 = -0.8386433710174718
-0.8386433710174718 x 100 = -83.86%