-84.78% is the change from 920 to 140
Calculation steps:
[( 140 - 920 ) ÷ 920] x 100 = -84.78%
Formula
Percentage change = [(140 - 920) / 920] x 100
Subtract the new number by the original number
140 - 920 = -780
-780 ÷ 920 = -0.8478260869565217
-0.8478260869565217 x 100 = -84.78%