-88.1% is the change from 311 to 37
Calculation steps:
[( 37 - 311 ) ÷ 311] x 100 = -88.1%
Formula
Percentage change = [(37 - 311) / 311] x 100
Subtract the new number by the original number
37 - 311 = -274
-274 ÷ 311 = -0.8810289389067524
-0.8810289389067524 x 100 = -88.1%