-84.24% is the change from 590 to 93
Calculation steps:
[( 93 - 590 ) ÷ 590] x 100 = -84.24%
Formula
Percentage change = [(93 - 590) / 590] x 100
Subtract the new number by the original number
93 - 590 = -497
-497 ÷ 590 = -0.8423728813559322
-0.8423728813559322 x 100 = -84.24%