-81.15% is the change from 541 to 102
Calculation steps:
[( 102 - 541 ) ÷ 541] x 100 = -81.15%
Formula
Percentage change = [(102 - 541) / 541] x 100
Subtract the new number by the original number
102 - 541 = -439
-439 ÷ 541 = -0.8114602587800369
-0.8114602587800369 x 100 = -81.15%