-92.07% is the change from 920 to 73
Calculation steps:
[( 73 - 920 ) ÷ 920] x 100 = -92.07%
Formula
Percentage change = [(73 - 920) / 920] x 100
Subtract the new number by the original number
73 - 920 = -847
-847 ÷ 920 = -0.9206521739130434
-0.9206521739130434 x 100 = -92.07%