-26.62% is the change from 541 to 397
Calculation steps:
[( 397 - 541 ) ÷ 541] x 100 = -26.62%
Formula
Percentage change = [(397 - 541) / 541] x 100
Subtract the new number by the original number
397 - 541 = -144
-144 ÷ 541 = -0.266173752310536
-0.266173752310536 x 100 = -26.62%