-83.55% is the change from 547 to 90
Calculation steps:
[( 90 - 547 ) ÷ 547] x 100 = -83.55%
Formula
Percentage change = [(90 - 547) / 547] x 100
Subtract the new number by the original number
90 - 547 = -457
-457 ÷ 547 = -0.8354661791590493
-0.8354661791590493 x 100 = -83.55%