-34.6% is the change from 948 to 620
Calculation steps:
[( 620 - 948 ) ÷ 948] x 100 = -34.6%
Formula
Percentage change = [(620 - 948) / 948] x 100
Subtract the new number by the original number
620 - 948 = -328
-328 ÷ 948 = -0.3459915611814346
-0.3459915611814346 x 100 = -34.6%