-69.86% is the change from 919 to 277
Calculation steps:
[( 277 - 919 ) ÷ 919] x 100 = -69.86%
Formula
Percentage change = [(277 - 919) / 919] x 100
Subtract the new number by the original number
277 - 919 = -642
-642 ÷ 919 = -0.6985854189336235
-0.6985854189336235 x 100 = -69.86%