-72.75% is the change from 943 to 257
Calculation steps:
[( 257 - 943 ) ÷ 943] x 100 = -72.75%
Formula
Percentage change = [(257 - 943) / 943] x 100
Subtract the new number by the original number
257 - 943 = -686
-686 ÷ 943 = -0.7274655355249204
-0.7274655355249204 x 100 = -72.75%