-63.11% is the change from 599 to 221
Calculation steps:
[( 221 - 599 ) ÷ 599] x 100 = -63.11%
Formula
Percentage change = [(221 - 599) / 599] x 100
Subtract the new number by the original number
221 - 599 = -378
-378 ÷ 599 = -0.6310517529215359
-0.6310517529215359 x 100 = -63.11%