-93.77% is the change from 305 to 19
Calculation steps:
[( 19 - 305 ) ÷ 305] x 100 = -93.77%
Formula
Percentage change = [(19 - 305) / 305] x 100
Subtract the new number by the original number
19 - 305 = -286
-286 ÷ 305 = -0.9377049180327869
-0.9377049180327869 x 100 = -93.77%