-92.43% is the change from 251 to 19
Calculation steps:
[( 19 - 251 ) ÷ 251] x 100 = -92.43%
Formula
Percentage change = [(19 - 251) / 251] x 100
Subtract the new number by the original number
19 - 251 = -232
-232 ÷ 251 = -0.9243027888446215
-0.9243027888446215 x 100 = -92.43%