-25.65% is the change from 612 to 455
Calculation steps:
[( 455 - 612 ) ÷ 612] x 100 = -25.65%
Formula
Percentage change = [(455 - 612) / 612] x 100
Subtract the new number by the original number
455 - 612 = -157
-157 ÷ 612 = -0.2565359477124183
-0.2565359477124183 x 100 = -25.65%