-63.56% is the change from 247 to 90
Calculation steps:
[( 90 - 247 ) ÷ 247] x 100 = -63.56%
Formula
Percentage change = [(90 - 247) / 247] x 100
Subtract the new number by the original number
90 - 247 = -157
-157 ÷ 247 = -0.6356275303643725
-0.6356275303643725 x 100 = -63.56%