-77% is the change from 313 to 72
Calculation steps:
[( 72 - 313 ) ÷ 313] x 100 = -77%
Formula
Percentage change = [(72 - 313) / 313] x 100
Subtract the new number by the original number
72 - 313 = -241
-241 ÷ 313 = -0.7699680511182109
-0.7699680511182109 x 100 = -77%