-78.84% is the change from 619 to 131
Calculation steps:
[( 131 - 619 ) ÷ 619] x 100 = -78.84%
Formula
Percentage change = [(131 - 619) / 619] x 100
Subtract the new number by the original number
131 - 619 = -488
-488 ÷ 619 = -0.7883683360258481
-0.7883683360258481 x 100 = -78.84%