-45.72% is the change from 934 to 507
Calculation steps:
[( 507 - 934 ) ÷ 934] x 100 = -45.72%
Formula
Percentage change = [(507 - 934) / 934] x 100
Subtract the new number by the original number
507 - 934 = -427
-427 ÷ 934 = -0.45717344753747324
-0.45717344753747324 x 100 = -45.72%