-91.45% is the change from 854 to 73
Calculation steps:
[( 73 - 854 ) ÷ 854] x 100 = -91.45%
Formula
Percentage change = [(73 - 854) / 854] x 100
Subtract the new number by the original number
73 - 854 = -781
-781 ÷ 854 = -0.914519906323185
-0.914519906323185 x 100 = -91.45%