-82.76% is the change from 174 to 30
Calculation steps:
[( 30 - 174 ) ÷ 174] x 100 = -82.76%
Formula
Percentage change = [(30 - 174) / 174] x 100
Subtract the new number by the original number
30 - 174 = -144
-144 ÷ 174 = -0.8275862068965517
-0.8275862068965517 x 100 = -82.76%