33.64% is the change from 651 to 870
Calculation steps:
[( 870 - 651 ) ÷ 651] x 100 = 33.64%
Formula
Percentage change = [(870 - 651) / 651] x 100
Subtract the new number by the original number
870 - 651 = 219
219 ÷ 651 = 0.33640552995391704
0.33640552995391704 x 100 = 33.64%