-72.37% is the change from 988 to 273
Calculation steps:
[( 273 - 988 ) ÷ 988] x 100 = -72.37%
Formula
Percentage change = [(273 - 988) / 988] x 100
Subtract the new number by the original number
273 - 988 = -715
-715 ÷ 988 = -0.7236842105263158
-0.7236842105263158 x 100 = -72.37%