-76.43% is the change from 543 to 128
Calculation steps:
[( 128 - 543 ) ÷ 543] x 100 = -76.43%
Formula
Percentage change = [(128 - 543) / 543] x 100
Subtract the new number by the original number
128 - 543 = -415
-415 ÷ 543 = -0.7642725598526704
-0.7642725598526704 x 100 = -76.43%