-65.43% is the change from 998 to 345
Calculation steps:
[( 345 - 998 ) ÷ 998] x 100 = -65.43%
Formula
Percentage change = [(345 - 998) / 998] x 100
Subtract the new number by the original number
345 - 998 = -653
-653 ÷ 998 = -0.654308617234469
-0.654308617234469 x 100 = -65.43%