-96.36% is the change from 522 to 19
Calculation steps:
[( 19 - 522 ) ÷ 522] x 100 = -96.36%
Formula
Percentage change = [(19 - 522) / 522] x 100
Subtract the new number by the original number
19 - 522 = -503
-503 ÷ 522 = -0.9636015325670498
-0.9636015325670498 x 100 = -96.36%