-67.43% is the change from 651 to 212
Calculation steps:
[( 212 - 651 ) ÷ 651] x 100 = -67.43%
Formula
Percentage change = [(212 - 651) / 651] x 100
Subtract the new number by the original number
212 - 651 = -439
-439 ÷ 651 = -0.674347158218126
-0.674347158218126 x 100 = -67.43%