-70.01% is the change from 927 to 278
Calculation steps:
[( 278 - 927 ) ÷ 927] x 100 = -70.01%
Formula
Percentage change = [(278 - 927) / 927] x 100
Subtract the new number by the original number
278 - 927 = -649
-649 ÷ 927 = -0.7001078748651565
-0.7001078748651565 x 100 = -70.01%