-70.2% is the change from 933 to 278
Calculation steps:
[( 278 - 933 ) ÷ 933] x 100 = -70.2%
Formula
Percentage change = [(278 - 933) / 933] x 100
Subtract the new number by the original number
278 - 933 = -655
-655 ÷ 933 = -0.7020364415862809
-0.7020364415862809 x 100 = -70.2%