-57.91% is the change from 278 to 117
Calculation steps:
[( 117 - 278 ) ÷ 278] x 100 = -57.91%
Formula
Percentage change = [(117 - 278) / 278] x 100
Subtract the new number by the original number
117 - 278 = -161
-161 ÷ 278 = -0.579136690647482
-0.579136690647482 x 100 = -57.91%