-79.65% is the change from 172 to 35
Calculation steps:
[( 35 - 172 ) ÷ 172] x 100 = -79.65%
Formula
Percentage change = [(35 - 172) / 172] x 100
Subtract the new number by the original number
35 - 172 = -137
-137 ÷ 172 = -0.7965116279069767
-0.7965116279069767 x 100 = -79.65%