-23.91% is the change from 276 to 210
Calculation steps:
[( 210 - 276 ) ÷ 276] x 100 = -23.91%
Formula
Percentage change = [(210 - 276) / 276] x 100
Subtract the new number by the original number
210 - 276 = -66
-66 ÷ 276 = -0.2391304347826087
-0.2391304347826087 x 100 = -23.91%