-69.9% is the change from 917 to 276
Calculation steps:
[( 276 - 917 ) ÷ 917] x 100 = -69.9%
Formula
Percentage change = [(276 - 917) / 917] x 100
Subtract the new number by the original number
276 - 917 = -641
-641 ÷ 917 = -0.6990185387131952
-0.6990185387131952 x 100 = -69.9%