-30.07% is the change from 276 to 193
Calculation steps:
[( 193 - 276 ) ÷ 276] x 100 = -30.07%
Formula
Percentage change = [(193 - 276) / 276] x 100
Subtract the new number by the original number
193 - 276 = -83
-83 ÷ 276 = -0.3007246376811594
-0.3007246376811594 x 100 = -30.07%