-78.11% is the change from 644 to 141
Calculation steps:
[( 141 - 644 ) ÷ 644] x 100 = -78.11%
Formula
Percentage change = [(141 - 644) / 644] x 100
Subtract the new number by the original number
141 - 644 = -503
-503 ÷ 644 = -0.781055900621118
-0.781055900621118 x 100 = -78.11%