-40.79% is the change from 917 to 543
Calculation steps:
[( 543 - 917 ) ÷ 917] x 100 = -40.79%
Formula
Percentage change = [(543 - 917) / 917] x 100
Subtract the new number by the original number
543 - 917 = -374
-374 ÷ 917 = -0.4078516902944384
-0.4078516902944384 x 100 = -40.79%