-75.41% is the change from 549 to 135
Calculation steps:
[( 135 - 549 ) ÷ 549] x 100 = -75.41%
Formula
Percentage change = [(135 - 549) / 549] x 100
Subtract the new number by the original number
135 - 549 = -414
-414 ÷ 549 = -0.7540983606557377
-0.7540983606557377 x 100 = -75.41%