-93.38% is the change from 302 to 20
Calculation steps:
[( 20 - 302 ) ÷ 302] x 100 = -93.38%
Formula
Percentage change = [(20 - 302) / 302] x 100
Subtract the new number by the original number
20 - 302 = -282
-282 ÷ 302 = -0.9337748344370861
-0.9337748344370861 x 100 = -93.38%