-68.23% is the change from 277 to 88
Calculation steps:
[( 88 - 277 ) ÷ 277] x 100 = -68.23%
Formula
Percentage change = [(88 - 277) / 277] x 100
Subtract the new number by the original number
88 - 277 = -189
-189 ÷ 277 = -0.6823104693140795
-0.6823104693140795 x 100 = -68.23%