-36.43% is the change from 645 to 410
Calculation steps:
[( 410 - 645 ) ÷ 645] x 100 = -36.43%
Formula
Percentage change = [(410 - 645) / 645] x 100
Subtract the new number by the original number
410 - 645 = -235
-235 ÷ 645 = -0.3643410852713178
-0.3643410852713178 x 100 = -36.43%