-78.85% is the change from 662 to 140
Calculation steps:
[( 140 - 662 ) ÷ 662] x 100 = -78.85%
Formula
Percentage change = [(140 - 662) / 662] x 100
Subtract the new number by the original number
140 - 662 = -522
-522 ÷ 662 = -0.7885196374622356
-0.7885196374622356 x 100 = -78.85%