-69.97% is the change from 919 to 276
Calculation steps:
[( 276 - 919 ) ÷ 919] x 100 = -69.97%
Formula
Percentage change = [(276 - 919) / 919] x 100
Subtract the new number by the original number
276 - 919 = -643
-643 ÷ 919 = -0.6996735582154516
-0.6996735582154516 x 100 = -69.97%