-70.37% is the change from 918 to 272
Calculation steps:
[( 272 - 918 ) ÷ 918] x 100 = -70.37%
Formula
Percentage change = [(272 - 918) / 918] x 100
Subtract the new number by the original number
272 - 918 = -646
-646 ÷ 918 = -0.7037037037037037
-0.7037037037037037 x 100 = -70.37%