-30.11% is the change from 651 to 455
Calculation steps:
[( 455 - 651 ) ÷ 651] x 100 = -30.11%
Formula
Percentage change = [(455 - 651) / 651] x 100
Subtract the new number by the original number
455 - 651 = -196
-196 ÷ 651 = -0.3010752688172043
-0.3010752688172043 x 100 = -30.11%