-84.62% is the change from 910 to 140
Calculation steps:
[( 140 - 910 ) ÷ 910] x 100 = -84.62%
Formula
Percentage change = [(140 - 910) / 910] x 100
Subtract the new number by the original number
140 - 910 = -770
-770 ÷ 910 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%