-82.02% is the change from 356 to 64
Calculation steps:
[( 64 - 356 ) ÷ 356] x 100 = -82.02%
Formula
Percentage change = [(64 - 356) / 356] x 100
Subtract the new number by the original number
64 - 356 = -292
-292 ÷ 356 = -0.8202247191011236
-0.8202247191011236 x 100 = -82.02%