-88.95% is the change from 172 to 19
Calculation steps:
[( 19 - 172 ) ÷ 172] x 100 = -88.95%
Formula
Percentage change = [(19 - 172) / 172] x 100
Subtract the new number by the original number
19 - 172 = -153
-153 ÷ 172 = -0.8895348837209303
-0.8895348837209303 x 100 = -88.95%