-70.08% is the change from 919 to 275
Calculation steps:
[( 275 - 919 ) ÷ 919] x 100 = -70.08%
Formula
Percentage change = [(275 - 919) / 919] x 100
Subtract the new number by the original number
275 - 919 = -644
-644 ÷ 919 = -0.7007616974972797
-0.7007616974972797 x 100 = -70.08%