-60.1% is the change from 827 to 330
Calculation steps:
[( 330 - 827 ) ÷ 827] x 100 = -60.1%
Formula
Percentage change = [(330 - 827) / 827] x 100
Subtract the new number by the original number
330 - 827 = -497
-497 ÷ 827 = -0.6009673518742442
-0.6009673518742442 x 100 = -60.1%