-36.12% is the change from 645 to 412
Calculation steps:
[( 412 - 645 ) ÷ 645] x 100 = -36.12%
Formula
Percentage change = [(412 - 645) / 645] x 100
Subtract the new number by the original number
412 - 645 = -233
-233 ÷ 645 = -0.3612403100775194
-0.3612403100775194 x 100 = -36.12%