702.47% is the change from 81 to 650
Calculation steps:
[( 650 - 81 ) ÷ 81] x 100 = 702.47%
Formula
Percentage change = [(650 - 81) / 81] x 100
Subtract the new number by the original number
650 - 81 = 569
569 ÷ 81 = 7.0246913580246915
7.0246913580246915 x 100 = 702.47%