-70.33% is the change from 920 to 273
Calculation steps:
[( 273 - 920 ) ÷ 920] x 100 = -70.33%
Formula
Percentage change = [(273 - 920) / 920] x 100
Subtract the new number by the original number
273 - 920 = -647
-647 ÷ 920 = -0.7032608695652174
-0.7032608695652174 x 100 = -70.33%