-40.33% is the change from 910 to 543
Calculation steps:
[( 543 - 910 ) ÷ 910] x 100 = -40.33%
Formula
Percentage change = [(543 - 910) / 910] x 100
Subtract the new number by the original number
543 - 910 = -367
-367 ÷ 910 = -0.4032967032967033
-0.4032967032967033 x 100 = -40.33%