-58.62% is the change from 667 to 276
Calculation steps:
[( 276 - 667 ) ÷ 667] x 100 = -58.62%
Formula
Percentage change = [(276 - 667) / 667] x 100
Subtract the new number by the original number
276 - 667 = -391
-391 ÷ 667 = -0.5862068965517241
-0.5862068965517241 x 100 = -58.62%