-84.04% is the change from 564 to 90
Calculation steps:
[( 90 - 564 ) ÷ 564] x 100 = -84.04%
Formula
Percentage change = [(90 - 564) / 564] x 100
Subtract the new number by the original number
90 - 564 = -474
-474 ÷ 564 = -0.8404255319148937
-0.8404255319148937 x 100 = -84.04%