-24.05% is the change from 819 to 622
Calculation steps:
[( 622 - 819 ) ÷ 819] x 100 = -24.05%
Formula
Percentage change = [(622 - 819) / 819] x 100
Subtract the new number by the original number
622 - 819 = -197
-197 ÷ 819 = -0.24053724053724054
-0.24053724053724054 x 100 = -24.05%