-70.69% is the change from 174 to 51
Calculation steps:
[( 51 - 174 ) ÷ 174] x 100 = -70.69%
Formula
Percentage change = [(51 - 174) / 174] x 100
Subtract the new number by the original number
51 - 174 = -123
-123 ÷ 174 = -0.7068965517241379
-0.7068965517241379 x 100 = -70.69%