-39.1% is the change from 688 to 419
Calculation steps:
[( 419 - 688 ) ÷ 688] x 100 = -39.1%
Formula
Percentage change = [(419 - 688) / 688] x 100
Subtract the new number by the original number
419 - 688 = -269
-269 ÷ 688 = -0.39098837209302323
-0.39098837209302323 x 100 = -39.1%