-31.54% is the change from 612 to 419
Calculation steps:
[( 419 - 612 ) ÷ 612] x 100 = -31.54%
Formula
Percentage change = [(419 - 612) / 612] x 100
Subtract the new number by the original number
419 - 612 = -193
-193 ÷ 612 = -0.315359477124183
-0.315359477124183 x 100 = -31.54%