-70.92% is the change from 251 to 73
Calculation steps:
[( 73 - 251 ) ÷ 251] x 100 = -70.92%
Formula
Percentage change = [(73 - 251) / 251] x 100
Subtract the new number by the original number
73 - 251 = -178
-178 ÷ 251 = -0.7091633466135459
-0.7091633466135459 x 100 = -70.92%