-38.2% is the change from 534 to 330
Calculation steps:
[( 330 - 534 ) ÷ 534] x 100 = -38.2%
Formula
Percentage change = [(330 - 534) / 534] x 100
Subtract the new number by the original number
330 - 534 = -204
-204 ÷ 534 = -0.38202247191011235
-0.38202247191011235 x 100 = -38.2%