-70.78% is the change from 931 to 272
Calculation steps:
[( 272 - 931 ) ÷ 931] x 100 = -70.78%
Formula
Percentage change = [(272 - 931) / 931] x 100
Subtract the new number by the original number
272 - 931 = -659
-659 ÷ 931 = -0.7078410311493019
-0.7078410311493019 x 100 = -70.78%